1
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Wu C, Huang Z, Chen J, Li N, Cai Y, Chen J, Ruan G, Han W, Ding C, Lu Y. Efficiently directing differentiation and homing of mesenchymal stem cells to boost cartilage repair in osteoarthritis via a nanoparticle and peptide dual-engineering strategy. Biomaterials 2025; 312:122720. [PMID: 39084098 DOI: 10.1016/j.biomaterials.2024.122720] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2023] [Revised: 07/07/2024] [Accepted: 07/26/2024] [Indexed: 08/02/2024]
Abstract
Mesenchymal stem cells (MSCs) are expected to be useful therapeutics in osteoarthritis (OA), the most common joint disorder characterized by cartilage degradation. However, evidence is limited with regard to cartilage repair in clinical trials because of the uncontrolled differentiation and weak cartilage-targeting ability of MSCs after injection. To overcome these drawbacks, here we synthesized CuO@MSN nanoparticles (NPs) to deliver Sox9 plasmid DNA (favoring chondrogenesis) and recombinant protein Bmp7 (inhibiting hypertrophy). After taking up CuO@MSN/Sox9/Bmp7 (CSB NPs), the expressions of chondrogenic markers were enhanced while hypertrophic markers were decreased in response to these CSB-engineered MSCs. Moreover, a cartilage-targeted peptide (designated as peptide W) was conjugated onto the surface of MSCs via a click chemistry reaction, thereby prolonging the residence time of MSCs in both the knee joint cavity of mice and human-derived cartilage. In a surgery-induced OA mouse model, the NP and peptide dual-modified W-CSB-MSCs showed an enhancing therapeutic effect on cartilage repair in knee joints compared with other engineered MSCs after intra-articular injection. Most importantly, W-CSB-MSCs accelerated cartilage regeneration in damaged cartilage explants derived from OA patients. Thus, this new peptide and NPs dual engineering strategy shows potential for clinical applications to boost cartilage repair in OA using MSC therapy.
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Affiliation(s)
- Cuixi Wu
- Clinical Research Center, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Zhenwen Huang
- Clinical Research Center, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China; Department of Joint and Orthopedics, Orthopedic Center, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Jianmao Chen
- Clinical Research Center, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Nan Li
- Clinical Research Center, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China; Department of Joint and Orthopedics, Orthopedic Center, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Yu Cai
- Precision Medicine in Oncology (PrMiO), Department of Pathology, Erasmus MC Cancer Institute, Erasmus MC, Rotterdam, the Netherlands
| | - Jieli Chen
- Clinical Research Center, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Guangfeng Ruan
- Clinical Research Center, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, Guangdong, China
| | - Weiyu Han
- Clinical Research Center, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China; Department of Joint and Orthopedics, Orthopedic Center, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China.
| | - Changhai Ding
- Clinical Research Center, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China; Menzies Institute for Medical Research, University of Tasmania, Hobart, Tasmania, Australia.
| | - Yao Lu
- Clinical Research Center, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China; Department of Joint and Orthopedics, Orthopedic Center, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China.
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2
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Wölfel EM, Fernandez-Guerra P, Nørgård MØ, Jeromdesella S, Kjær PK, Elkjær AS, Kassem M, Figeac F. Senescence of skeletal stem cells and their contribution to age-related bone loss. Mech Ageing Dev 2024; 221:111976. [PMID: 39111640 DOI: 10.1016/j.mad.2024.111976] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2024] [Revised: 07/30/2024] [Accepted: 08/03/2024] [Indexed: 08/18/2024]
Abstract
Human aging is linked to bone loss, resulting in bone fragility and an increased risk of fractures. This is primarily due to an age-related decline in the function of bone-forming osteoblastic cells and accelerated cellular senescence within the bone microenvironment. Here, we provide a detailed discussion of the hypothesis that age-related defective bone formation is caused by senescence of skeletal stem cells, as they are the main source of bone forming osteoblastic cells and influence the composition of bone microenvironment. Furthermore, this review discusses potential strategies to target cellular senescence as an emerging approach to treat age-related bone loss.
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Affiliation(s)
- Eva M Wölfel
- Molecular Endocrinology Unit, KMEB, Department of Endocrinology, Odense University Hospital, Winsløws Vej 4, Odense C 5000, Denmark.
| | - Paula Fernandez-Guerra
- Molecular Endocrinology Unit, KMEB, Department of Endocrinology, Odense University Hospital, Winsløws Vej 4, Odense C 5000, Denmark.
| | - Mikkel Ørnfeldt Nørgård
- Molecular Endocrinology Unit, KMEB, Department of Endocrinology, Odense University Hospital, Winsløws Vej 4, Odense C 5000, Denmark.
| | - Shakespeare Jeromdesella
- Molecular Endocrinology Unit, KMEB, Department of Endocrinology, Odense University Hospital, Winsløws Vej 4, Odense C 5000, Denmark.
| | - Pernille Kirkegaard Kjær
- Molecular Endocrinology Unit, KMEB, Department of Endocrinology, Odense University Hospital, Winsløws Vej 4, Odense C 5000, Denmark.
| | - Anna Sofie Elkjær
- Molecular Endocrinology Unit, KMEB, Department of Endocrinology, Odense University Hospital, Winsløws Vej 4, Odense C 5000, Denmark.
| | - Moustapha Kassem
- Molecular Endocrinology Unit, KMEB, Department of Endocrinology, Odense University Hospital, Winsløws Vej 4, Odense C 5000, Denmark; Institute of Cellular and Molecular Medicine (ICMM), Panum Institute, University of Copenhagen, 3B Blegdamsvej, Copenhagen N 2200, Denmark.
| | - Florence Figeac
- Molecular Endocrinology Unit, KMEB, Department of Endocrinology, Odense University Hospital, Winsløws Vej 4, Odense C 5000, Denmark.
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3
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Robichaud JH, Zhang Y, Chen C, He K, Huang Y, Zhang X, Sun X, Ma X, Hardyman G, Morrison CG, Dong Z, LeBrasseur NK, Ling K, Hu J. Transiently formed nucleus-to-cilium microtubule arrays mediate senescence initiation in a KIFC3-dependent manner. Nat Commun 2024; 15:7977. [PMID: 39266565 PMCID: PMC11393428 DOI: 10.1038/s41467-024-52363-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Accepted: 09/04/2024] [Indexed: 09/14/2024] Open
Abstract
Despite the importance of cellular senescence in human health, how damaged cells undergo senescence remains elusive. We have previously shown that promyelocytic leukemia nuclear body (PML-NBs) translocation of the ciliary FBF1 is essential for senescence induction in stressed cells. Here we discover that an early cellular event occurring in stressed cells is the transient assembly of stress-induced nucleus-to-cilium microtubule arrays (sinc-MTs). The sinc-MTs are distinguished by unusual polyglutamylation and unique polarity, with minus-ends nucleating near the nuclear envelope and plus-ends near the ciliary base. KIFC3, a minus-end-directed kinesin, is recruited to plus-ends of sinc-MTs and interacts with the centrosomal protein CENEXIN1. In damaged cells, CENEXIN1 co-translocates with FBF1 to PML-NBs. Deficiency of KIFC3 abolishes PML-NB translocation of FBF1 and CENEXIN1, as well as senescence initiation in damaged cells. Our study reveals that KIFC3-mediated nuclear transport of FBF1 along polyglutamylated sinc-MTs is a prerequisite for senescence induction in mammalian cells.
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Affiliation(s)
- Jielu Hao Robichaud
- Department of Biochemistry and Molecular Biology, Mayo Clinic, Rochester, MN, USA
| | - Yingyi Zhang
- Department of Biochemistry and Molecular Biology, Mayo Clinic, Rochester, MN, USA
| | - Chuan Chen
- Department of Biochemistry and Molecular Biology, Mayo Clinic, Rochester, MN, USA
| | - Kai He
- Department of Biochemistry and Molecular Biology, Mayo Clinic, Rochester, MN, USA
| | - Yan Huang
- Department of Biochemistry and Molecular Biology, Mayo Clinic, Rochester, MN, USA
| | - Xu Zhang
- Department of Biochemistry and Molecular Biology, Mayo Clinic, Rochester, MN, USA
- Mayo Clinic Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, USA
| | - Xiaobo Sun
- Department of Biochemistry and Molecular Biology, Mayo Clinic, Rochester, MN, USA
| | - Xiaoyu Ma
- Department of Biochemistry and Molecular Biology, Mayo Clinic, Rochester, MN, USA
| | - Gary Hardyman
- School of Biological Sciences, Institute for Global Food Security (IGFS), Queen's University Belfast, Belfast, Ireland
| | - Ciaran G Morrison
- Centre for Chromosome Biology, School of Biological and Chemical Sciences, University of Galway, Galway, Ireland
| | - Zheng Dong
- Department of Cellular Biology and Anatomy, Medical College of Georgia at Augusta University, Augusta, GA, USA
- Research Department, Charlie Norwood VA Medical Center, Augusta, GA, USA
| | - Nathan K LeBrasseur
- Mayo Clinic Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, USA
- Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, MN, USA
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, USA
| | - Kun Ling
- Department of Biochemistry and Molecular Biology, Mayo Clinic, Rochester, MN, USA
| | - Jinghua Hu
- Department of Biochemistry and Molecular Biology, Mayo Clinic, Rochester, MN, USA.
- Mayo Clinic Robert M. and Billie Kelley Pirnie Translational Polycystic Kidney Disease Center, Mayo Clinic, Rochester, MN, USA.
- Division of Nephrology and Hypertension, Mayo Clinic, Rochester, MN, USA.
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Ma LZ, Wang A, Lai YH, Zhang J, Zhang XF, Chen SL, Zhou XY. USP14 inhibition promotes DNA damage repair and represses ovarian granulosa cell senescence in premature ovarian insufficiency. J Transl Med 2024; 22:834. [PMID: 39261935 PMCID: PMC11389224 DOI: 10.1186/s12967-024-05636-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2024] [Accepted: 08/27/2024] [Indexed: 09/13/2024] Open
Abstract
BACKGROUND Premature ovarian insufficiency (POI) is a condition characterized by a substantial decline or loss of ovarian function in women before the age of 40. However, the pathogenesis of POI remains to be further elucidated, and specific targeted drugs which could delay or reverse ovarian reserve decline are urgently needed. Abnormal DNA damage repair (DDR) and cell senescence in granulosa cells are pathogenic mechanisms of POI. Ubiquitin-specific protease 14 (USP14) is a key enzyme that regulates the deubiquitylation of DDR-related proteins, but whether USP14 participates in the pathogenesis of POI remains unclear. METHODS We measured USP14 mRNA expression in granulosa cells from biochemical POI (bPOI) patients. In KGN cells, we used IU1 and siRNA-USP14 to specifically inhibit USP14 and constructed a cell line stably overexpressing USP14 to examine its effects on DDR function and cellular senescence in granulosa cells. Next, we explored the therapeutic potential of IU1 in POI mouse models induced by D-galactose. RESULTS USP14 expression in the granulosa cells of bPOI patients was significantly upregulated. In KGN cells, IU1 treatment and siUSP14 transfection decreased etoposide-induced DNA damage levels, promoted DDR function, and inhibited cell senescence. USP14 overexpression increased DNA damage, impaired DDR function, and promoted cell senescence. Moreover, IU1 treatment and siUSP14 transfection increased nonhomologous end joining (NHEJ), upregulated RNF168, Ku70, and DDB1, and increased ubiquitinated DDB1 levels in KGN cells. Conversely, USP14 overexpression had the opposite effects. Intraperitoneal IU1 injection alleviated etoposide-induced DNA damage in granulosa cells, ameliorated the D-galactose-induced POI phenotype, promoted DDR, and inhibited cell senescence in ovarian granulosa cells in vivo. CONCLUSIONS Upregulated USP14 in ovarian granulosa cells may play a role in POI pathogenesis, and targeting USP14 may be a potential POI treatment strategy. Our study provides new insights into the pathogenesis of POI and a novel POI treatment strategy.
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Affiliation(s)
- Lin-Zi Ma
- Center for Reproductive Medicine, Department of Gynecology and Obstetrics, Nanfang Hospital, Southern Medical University, No. 1838 Guangzhou Northern Road, Guangzhou, Guangdong, 510515, China
| | - Ao Wang
- Center for Reproductive Medicine, Department of Gynecology and Obstetrics, Nanfang Hospital, Southern Medical University, No. 1838 Guangzhou Northern Road, Guangzhou, Guangdong, 510515, China
| | - Yun-Hui Lai
- Center for Reproductive Medicine, Department of Gynecology and Obstetrics, Nanfang Hospital, Southern Medical University, No. 1838 Guangzhou Northern Road, Guangzhou, Guangdong, 510515, China
| | - Jun Zhang
- Center for Reproductive Medicine, Department of Gynecology and Obstetrics, Nanfang Hospital, Southern Medical University, No. 1838 Guangzhou Northern Road, Guangzhou, Guangdong, 510515, China
| | - Xiao-Fei Zhang
- Center for Reproductive Medicine, Department of Gynecology and Obstetrics, Nanfang Hospital, Southern Medical University, No. 1838 Guangzhou Northern Road, Guangzhou, Guangdong, 510515, China
| | - Shi-Ling Chen
- Center for Reproductive Medicine, Department of Gynecology and Obstetrics, Nanfang Hospital, Southern Medical University, No. 1838 Guangzhou Northern Road, Guangzhou, Guangdong, 510515, China.
| | - Xing-Yu Zhou
- Center for Reproductive Medicine, Department of Gynecology and Obstetrics, Nanfang Hospital, Southern Medical University, No. 1838 Guangzhou Northern Road, Guangzhou, Guangdong, 510515, China.
- Department of Reproductive Medicine Centre, Guangzhou First People's Hospital, South China University of Technology, No. 1 Panfu Road, Guangzhou, Guangdong, 510180, China.
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5
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Iordache F, Petcu ACI, Alexandru DM. Genetic and Epigenetic Interactions Involved in Senescence of Stem Cells. Int J Mol Sci 2024; 25:9708. [PMID: 39273655 DOI: 10.3390/ijms25179708] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2024] [Revised: 09/04/2024] [Accepted: 09/05/2024] [Indexed: 09/15/2024] Open
Abstract
Cellular senescence is a permanent condition of cell cycle arrest caused by a progressive shortening of telomeres defined as replicative senescence. Stem cells may also undergo an accelerated senescence response known as premature senescence, distinct from telomere shortening, as a response to different stress agents. Various treatment protocols have been developed based on epigenetic changes in cells throughout senescence, using different drugs and antioxidants, senolytic vaccines, or the reprogramming of somatic senescent cells using Yamanaka factors. Even with all the recent advancements, it is still unknown how different epigenetic modifications interact with genetic profiles and how other factors such as microbiota physiological conditions, psychological states, and diet influence the interaction between genetic and epigenetic pathways. The aim of this review is to highlight the new epigenetic modifications that are involved in stem cell senescence. Here, we review recent senescence-related epigenetic alterations such as DNA methylation, chromatin remodeling, histone modification, RNA modification, and non-coding RNA regulation outlining new possible targets for the therapy of aging-related diseases. The advantages and disadvantages of the animal models used in the study of cellular senescence are also briefly presented.
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Affiliation(s)
- Florin Iordache
- Biochemistry Disciplines, Faculty of Veterinary Medicine, University of Agronomic Sciences and Veterinary Medicine, 050097 Bucharest, Romania
- Advanced Research Center for Innovative Materials, Products and Processes CAMPUS, Politehnica University, 060042 Bucharest, Romania
| | - Adriana Cornelia Ionescu Petcu
- Biochemistry Disciplines, Faculty of Veterinary Medicine, University of Agronomic Sciences and Veterinary Medicine, 050097 Bucharest, Romania
| | - Diana Mihaela Alexandru
- Pharmacology and Pharmacy Disciplines, Faculty of Veterinary Medicine, University of Agronomic Sciences and Veterinary Medicine, 050097 Bucharest, Romania
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6
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Calubag MF, Robbins PD, Lamming DW. A nutrigeroscience approach: Dietary macronutrients and cellular senescence. Cell Metab 2024; 36:1914-1944. [PMID: 39178854 PMCID: PMC11386599 DOI: 10.1016/j.cmet.2024.07.025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/22/2024] [Revised: 07/09/2024] [Accepted: 07/31/2024] [Indexed: 08/26/2024]
Abstract
Cellular senescence, a process in which a cell exits the cell cycle in response to stressors, is one of the hallmarks of aging. Senescence and the senescence-associated secretory phenotype (SASP)-a heterogeneous set of secreted factors that disrupt tissue homeostasis and promote the accumulation of senescent cells-reprogram metabolism and can lead to metabolic dysfunction. Dietary interventions have long been studied as methods to combat age-associated metabolic dysfunction, promote health, and increase lifespan. A growing body of literature suggests that senescence is responsive to diet, both to calories and specific dietary macronutrients, and that the metabolic benefits of dietary interventions may arise in part through reducing senescence. Here, we review what is currently known about dietary macronutrients' effect on senescence and the SASP, the nutrient-responsive molecular mechanisms that may mediate these effects, and the potential for these findings to inform the development of a nutrigeroscience approach to healthy aging.
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Affiliation(s)
- Mariah F Calubag
- Department of Medicine, University of Wisconsin-Madison, Madison, WI 53705, USA; William S. Middleton Memorial Veterans Hospital, Madison, WI 53705, USA; Graduate Program in Cellular and Molecular Biology, University of Wisconsin-Madison, Madison, WI 53705, USA
| | - Paul D Robbins
- Institute On the Biology of Aging and Metabolism, Department of Biochemistry, Molecular Biology and Biophysics, University of Minnesota, 6-155 Jackson Hall, 321 Church Street, SE, Minneapolis, MN 55455, USA
| | - Dudley W Lamming
- Department of Medicine, University of Wisconsin-Madison, Madison, WI 53705, USA; William S. Middleton Memorial Veterans Hospital, Madison, WI 53705, USA; Graduate Program in Cellular and Molecular Biology, University of Wisconsin-Madison, Madison, WI 53705, USA.
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7
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Kim SY, Cheon J. Senescence-associated microvascular endothelial dysfunction: A focus on the blood-brain and blood-retinal barriers. Ageing Res Rev 2024; 100:102446. [PMID: 39111407 DOI: 10.1016/j.arr.2024.102446] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2024] [Revised: 07/05/2024] [Accepted: 08/02/2024] [Indexed: 08/17/2024]
Abstract
The blood-brain barrier (BBB) and blood-retinal barrier (BRB) constitute critical physiochemical interfaces, precisely orchestrating the bidirectional communication between the brain/retina and blood. Increased permeability or leakage of these barriers has been demonstrably linked to age-related vascular and parenchymal damage. While it has been suggested that the gradual aging process may coincide with disruptions in these barriers, this phenomenon is significantly exacerbated in individuals with age-related neurodegenerative disorders (ARND). This review focuses on the microvascular endothelium, a key constituent of BBB and BRB, highlighting the impact of endothelial senescence on barrier dysfunction and exploring recent discoveries regarding core pathways implicated in its breakdown. Subsequently, we address the "vascular senescence hypothesis" for ARND, with a particular emphasis on Alzheimer's disease and age-related macular degeneration, centered on endothelial senescence. Finally, we discuss potential senotherapeutic strategies targeting barrier dysfunction.
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Affiliation(s)
- Sung Young Kim
- Department of Biochemistry, Konkuk University School of Medicine, Republic of Korea; Research Institute of Medical Science, Konkuk University, Republic of Korea; IBST, Konkuk University, Republic of Korea.
| | - Jaejoung Cheon
- Department of Biochemistry, Konkuk University School of Medicine, Republic of Korea
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8
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Knopf P, Pacheco-Torres J, Zizmare L, Mori N, Wildes F, Zhou B, Krishnamachary B, Mironchik Y, Kneilling M, Trautwein C, Pichler BJ, Bhujwalla ZM. Metabolic fingerprinting by nuclear magnetic resonance of hepatocellular carcinoma cells during p53 reactivation-induced senescence. NMR IN BIOMEDICINE 2024; 37:e5157. [PMID: 38589764 DOI: 10.1002/nbm.5157] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/19/2023] [Revised: 03/06/2024] [Accepted: 03/06/2024] [Indexed: 04/10/2024]
Abstract
Cellular senescence is characterized by stable cell cycle arrest. Senescent cells exhibit a senescence-associated secretory phenotype that can promote tumor progression. The aim of our study was to identify specific nuclear magnetic resonance (NMR) spectroscopy-based markers of cancer cell senescence. For metabolic studies, we employed murine liver carcinoma Harvey Rat Sarcoma Virus (H-Ras) cells, in which reactivation of p53 expression induces senescence. Senescent and nonsenescent cell extracts were subjected to high-resolution proton (1H)-NMR spectroscopy-based metabolomics, and dynamic metabolic changes during senescence were analyzed using a magnetic resonance spectroscopy (MRS)-compatible cell perfusion system. Additionally, the ability of intact senescent cells to degrade the extracellular matrix (ECM) was quantified in the cell perfusion system. Analysis of senescent H-Ras cell extracts revealed elevated sn-glycero-3-phosphocholine, myoinositol, taurine, and creatine levels, with decreases in glycine, o-phosphocholine, threonine, and valine. These metabolic findings were accompanied by a greater degradation index of the ECM in senescent H-Ras cells than in control H-Ras cells. MRS studies with the cell perfusion system revealed elevated creatine levels in senescent cells on Day 4, confirming the 1H-NMR results. These senescence-associated changes in metabolism and ECM degradation strongly impact growth and redox metabolism and reveal potential MRS signals for detecting senescent cancer cells in vivo.
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Affiliation(s)
- Philipp Knopf
- Werner Siemens Imaging Center, Department of Preclinical Imaging and Radiopharmacy, Eberhard Karls University Tübingen, Tübingen, Germany
- Division of Cancer Imaging Research, The Russell H. Morgan Department of Radiology and Radiological Science, The Johns Hopkins University, School of Medicine, Baltimore, Maryland, USA
| | - Jesus Pacheco-Torres
- Division of Cancer Imaging Research, The Russell H. Morgan Department of Radiology and Radiological Science, The Johns Hopkins University, School of Medicine, Baltimore, Maryland, USA
| | - Laimdota Zizmare
- Werner Siemens Imaging Center, Department of Preclinical Imaging and Radiopharmacy, Eberhard Karls University Tübingen, Tübingen, Germany
- Cluster of Excellence iFIT (EXC2180) "Image-Guided and Functionally Instructed Tumor Therapies", University of Tübingen, Tübingen, Germany
| | - Noriko Mori
- Division of Cancer Imaging Research, The Russell H. Morgan Department of Radiology and Radiological Science, The Johns Hopkins University, School of Medicine, Baltimore, Maryland, USA
| | - Flonne Wildes
- Division of Cancer Imaging Research, The Russell H. Morgan Department of Radiology and Radiological Science, The Johns Hopkins University, School of Medicine, Baltimore, Maryland, USA
| | - Benyuan Zhou
- Werner Siemens Imaging Center, Department of Preclinical Imaging and Radiopharmacy, Eberhard Karls University Tübingen, Tübingen, Germany
| | - Balaji Krishnamachary
- Division of Cancer Imaging Research, The Russell H. Morgan Department of Radiology and Radiological Science, The Johns Hopkins University, School of Medicine, Baltimore, Maryland, USA
| | - Yelena Mironchik
- Division of Cancer Imaging Research, The Russell H. Morgan Department of Radiology and Radiological Science, The Johns Hopkins University, School of Medicine, Baltimore, Maryland, USA
| | - Manfred Kneilling
- Werner Siemens Imaging Center, Department of Preclinical Imaging and Radiopharmacy, Eberhard Karls University Tübingen, Tübingen, Germany
- Cluster of Excellence iFIT (EXC2180) "Image-Guided and Functionally Instructed Tumor Therapies", University of Tübingen, Tübingen, Germany
- Department of Dermatology, Eberhard Karls University Tübingen, Tübingen, Germany
| | - Christoph Trautwein
- Werner Siemens Imaging Center, Department of Preclinical Imaging and Radiopharmacy, Eberhard Karls University Tübingen, Tübingen, Germany
- Cluster of Excellence iFIT (EXC2180) "Image-Guided and Functionally Instructed Tumor Therapies", University of Tübingen, Tübingen, Germany
| | - Bernd J Pichler
- Werner Siemens Imaging Center, Department of Preclinical Imaging and Radiopharmacy, Eberhard Karls University Tübingen, Tübingen, Germany
- Cluster of Excellence iFIT (EXC2180) "Image-Guided and Functionally Instructed Tumor Therapies", University of Tübingen, Tübingen, Germany
- German Cancer Consortium (DKTK) and German Cancer Research Center (DKFZ) partner site Tübingen, Tübingen, Germany
| | - Zaver M Bhujwalla
- Division of Cancer Imaging Research, The Russell H. Morgan Department of Radiology and Radiological Science, The Johns Hopkins University, School of Medicine, Baltimore, Maryland, USA
- Sidney Kimmel Comprehensive Cancer Center, The Johns Hopkins University, School of Medicine, Baltimore, Maryland, USA
- Department of Radiation Oncology and Molecular Radiation Sciences, The Johns Hopkins University, School of Medicine, Baltimore, Maryland, USA
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9
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Li L, Zhang T, Xiao M, Lu Y, Gao L. Brain macrophage senescence in glioma. Semin Cancer Biol 2024; 104-105:46-60. [PMID: 39098625 DOI: 10.1016/j.semcancer.2024.07.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2024] [Revised: 07/20/2024] [Accepted: 07/29/2024] [Indexed: 08/06/2024]
Abstract
Gliomas are a diverse group of primary central nervous system neoplasms with no curative therapies available. Brain macrophages comprise microglia in the brain parenchyma, border-associated macrophages in the meningeal-choroid plexus-perivascular space and monocyte-derived macrophages infiltrating the brain. With the great improvement of our recognition of brain macrophages, diverse macrophage populations have been found in the context of glioma, which exhibit functional and phenotypic heterogeneity. We have long thought that brain macrophage senescence is detrimental, manifested by specialized forms of persistent cell cycle arrest and chronic low-grade inflammation. Persistent senescence of macrophages may result in immune dysfunction, potentially contributing to glioma initiation and development. Given the crucial roles played by brain macrophages in glioma, we unravel how brain macrophages undergo reprogramming and their contribution to glioma. We outline general molecular alterations and specific biomarkers in senescent brain macrophages, as well as functional changes (such as metabolism, autophagy, phagocytosis, antigen presentation, and infiltration and recruitment). In addition, recent advances in genetic regulation and mechanisms linked to senescent brain macrophages are discussed. In particular, this review emphasizes the contribution of senescent brain macrophages to glioma, which may drive translational efforts to utilize brain macrophages as a prognostic marker or/and treatment target in glioma. An in-depth comprehending of how brain macrophage senescence functionally influences the tumor microenvironment will be key to our development of innovative therapeutics for glioma.
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Affiliation(s)
- Lu Li
- Department of Anesthesiology, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110004, China
| | - Tianhe Zhang
- Department of Neurosurgery, The People's Hospital of China Medical University, The People's Hospital of Liaoning Province, Shenyang, Liaoning 110016, China
| | - Meiling Xiao
- Department of Rehabilitation, The Central Hospital of Shenyang Medical College, Shenyang, Liaoning 110024, China
| | - Yu Lu
- Rehabilitation Medicine Department, The People's Hospital of China Medical University, The People's Hospital of Liaoning Province, Shenyang, Liaoning 110016, China.
| | - Lin Gao
- Department of Rehabilitation, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110004, China.
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10
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Dong Z, Luo Y, Yuan Z, Tian Y, Jin T, Xu F. Cellular senescence and SASP in tumor progression and therapeutic opportunities. Mol Cancer 2024; 23:181. [PMID: 39217404 PMCID: PMC11365203 DOI: 10.1186/s12943-024-02096-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2024] [Accepted: 08/21/2024] [Indexed: 09/04/2024] Open
Abstract
Cellular senescence (CS), a permanent and irreversible arrest of the cell cycle and proliferation leading to the degeneration of cellular structure and function, has been implicated in various key physiological and pathological processes, particularly in cancer. Initially, CS was recognized as a barrier to tumorigenesis, serving as an intrinsic defense mechanism to protect cells from malignant transformation. However, increasing evidence suggests that senescent cells can promote tumor progression to overt malignancy, primarily through a set of factors known as senescence-associated secretory phenotypes (SASPs), including chemokines, growth factors, cytokines, and stromal metalloproteinases. These factors significantly reshape the tumor microenvironment (TME), enabling tumors to evade immune destruction. Interestingly, some studies have also suggested that SASPs may impede tumor development by enhancing immunosurveillance. These opposing roles highlight the complexity and heterogeneity of CS and SASPs in diverse cancers. Consequently, there has been growing interest in pharmacological interventions targeting CS or SASPs in cancer therapy, such as senolytics and senomorphics, to either promote the clearance of senescent cells or mitigate the harmful effects of SASPs. In this review, we will interpret the concept of CS, delve into the role of SASPs in reshaping the TME, and summarize recent advances in anti-tumor strategies targeting CS or SASPs.
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Affiliation(s)
- Zening Dong
- Hepatobiliary and Splenic Surgery Ward, Department of General Surgery, Shengjing Hospital of China Medical University, Shenyang, China
| | - Yahan Luo
- Shanghai TCM-Integrated Hospital, Shanghai University of TCM, Shanghai, China
| | - Zhangchen Yuan
- Hepatobiliary and Splenic Surgery Ward, Department of General Surgery, Shengjing Hospital of China Medical University, Shenyang, China
| | - Yu Tian
- Hepatobiliary and Splenic Surgery Ward, Department of General Surgery, Shengjing Hospital of China Medical University, Shenyang, China
| | - Tianqiang Jin
- Hepatobiliary and Splenic Surgery Ward, Department of General Surgery, Shengjing Hospital of China Medical University, Shenyang, China.
| | - Feng Xu
- Hepatobiliary and Splenic Surgery Ward, Department of General Surgery, Shengjing Hospital of China Medical University, Shenyang, China.
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11
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Gharib E, Robichaud GA. From Crypts to Cancer: A Holistic Perspective on Colorectal Carcinogenesis and Therapeutic Strategies. Int J Mol Sci 2024; 25:9463. [PMID: 39273409 DOI: 10.3390/ijms25179463] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2024] [Revised: 08/19/2024] [Accepted: 08/24/2024] [Indexed: 09/15/2024] Open
Abstract
Colorectal cancer (CRC) represents a significant global health burden, with high incidence and mortality rates worldwide. Recent progress in research highlights the distinct clinical and molecular characteristics of colon versus rectal cancers, underscoring tumor location's importance in treatment approaches. This article provides a comprehensive review of our current understanding of CRC epidemiology, risk factors, molecular pathogenesis, and management strategies. We also present the intricate cellular architecture of colonic crypts and their roles in intestinal homeostasis. Colorectal carcinogenesis multistep processes are also described, covering the conventional adenoma-carcinoma sequence, alternative serrated pathways, and the influential Vogelstein model, which proposes sequential APC, KRAS, and TP53 alterations as drivers. The consensus molecular CRC subtypes (CMS1-CMS4) are examined, shedding light on disease heterogeneity and personalized therapy implications.
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Affiliation(s)
- Ehsan Gharib
- Département de Chimie et Biochimie, Université de Moncton, Moncton, NB E1A 3E9, Canada
- Atlantic Cancer Research Institute, Moncton, NB E1C 8X3, Canada
| | - Gilles A Robichaud
- Département de Chimie et Biochimie, Université de Moncton, Moncton, NB E1A 3E9, Canada
- Atlantic Cancer Research Institute, Moncton, NB E1C 8X3, Canada
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12
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Tripathi J, Stoklasa M, Nayak S, En Low K, Qian Hui Lee E, Duong Tien QH, Rénia L, Malleret B, Bozdech Z. The artemisinin-induced dormant stages of Plasmodium falciparum exhibit hallmarks of cellular quiescence/senescence and drug resilience. Nat Commun 2024; 15:7485. [PMID: 39209862 PMCID: PMC11362153 DOI: 10.1038/s41467-024-51846-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Accepted: 08/20/2024] [Indexed: 09/04/2024] Open
Abstract
Recrudescent infections with the human malaria parasite, Plasmodium falciparum, presented traditionally the major setback of artemisinin-based monotherapies. Although the introduction of artemisinin combination therapies (ACT) largely solved the problem, the ability of artemisinin to induce dormant parasites still poses an obstacle for current as well as future malaria chemotherapeutics. Here, we use a laboratory model for induction of dormant P. falciparum parasites and characterize their transcriptome, drug sensitivity profile, and cellular ultrastructure. We show that P. falciparum dormancy requires a ~ 5-day maturation process during which the genome-wide gene expression pattern gradually transitions from the ring-like state to a unique form. The transcriptome of the mature dormant stage carries hallmarks of both cellular quiescence and senescence, with downregulation of most cellular functions associated with growth and development and upregulation of selected metabolic functions and DNA repair. Moreover, the P. falciparum dormant stage is considerably more resistant to antimalaria drugs compared to the fast-growing asexual stages. Finally, the irregular cellular ultrastructure further suggests unique properties of this developmental stage of the P. falciparum life cycle that should be taken into consideration by malaria control strategies.
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Affiliation(s)
- Jaishree Tripathi
- School of Biological Sciences, Nanyang Technological University (NTU), Singapore, 637551, Singapore.
- Department of Microbiology and Immunology, Immunology Translational Research Programme, Yong Loo Lin School of Medicine, National University of Singapore (NUS), Singapore, 117597, Singapore.
| | - Michal Stoklasa
- School of Biological Sciences, Nanyang Technological University (NTU), Singapore, 637551, Singapore
| | - Sourav Nayak
- School of Biological Sciences, Nanyang Technological University (NTU), Singapore, 637551, Singapore
| | - Kay En Low
- Electron Microscopy Unit, Yong Loo Lin School of Medicine, National University of Singapore (NUS), Singapore, 117597, Singapore
| | - Erica Qian Hui Lee
- Department of Microbiology and Immunology, Immunology Translational Research Programme, Yong Loo Lin School of Medicine, National University of Singapore (NUS), Singapore, 117597, Singapore
| | - Quang Huy Duong Tien
- School of Biological Sciences, Nanyang Technological University (NTU), Singapore, 637551, Singapore
| | - Laurent Rénia
- School of Biological Sciences, Nanyang Technological University (NTU), Singapore, 637551, Singapore
- Lee Kong Chian School of Medicine, Nanyang Technological University (NTU), Singapore, 636921, Singapore
- A*STAR Infectious Diseases Labs (A*STAR ID Labs), Agency for Science, Technology and Research (A*STAR), Singapore, 138648, Singapore
| | - Benoit Malleret
- Department of Microbiology and Immunology, Immunology Translational Research Programme, Yong Loo Lin School of Medicine, National University of Singapore (NUS), Singapore, 117597, Singapore
- Electron Microscopy Unit, Yong Loo Lin School of Medicine, National University of Singapore (NUS), Singapore, 117597, Singapore
| | - Zbynek Bozdech
- School of Biological Sciences, Nanyang Technological University (NTU), Singapore, 637551, Singapore.
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13
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Ru K, Cui L, Wu C, Tan XX, An WT, Wu Q, Ma YT, Hao Y, Xiao X, Bai J, Liu X, Xia XF, Zhao MQ. Exploring the molecular and immune landscape of cellular senescence in lung adenocarcinoma. Front Immunol 2024; 15:1347770. [PMID: 39267750 PMCID: PMC11390420 DOI: 10.3389/fimmu.2024.1347770] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Accepted: 08/08/2024] [Indexed: 09/15/2024] Open
Abstract
Introduction The connection between aging and cancer is complex. Previous research has highlighted the association between the aging process of lung adenocarcinoma (LUAD) cells and the immune response, yet there remains a gap in confirming this through single-cell data validation. Here, we aim to develop a novel aging-related prognostic model for LUAD, and verify the alterations in the genome and immune microenvironment linked to cellular senescence. Methods We integrated a comprehensive collection of senescence genes from the GenAge and CellAge databases and employed the least absolute shrinkage and selection operator (LASSO) Cox analysis to construct and validate a novel prognostic model for LUAD. This model was then utilized to examine the relationship between aging, tumor somatic mutations, and immune cell infiltration. Additionally, we explored the heterogeneity of senescence and intercellular communication within the LUAD tumor microenvironment (TME) through single-cell transcriptomic data analysis. Results By exploring the expression profiles of 586 cellular senescence-related genes in 428 LUAD patients, we constructed an aging-related genes (ARGs) risk model included 10 ARGs and validated it as an independent prognostic predictor for LUAD patients. Notably, patients with low aging scores (LAS group) exhibited better survival, lower tumor mutation burden (TMB), lower somatic mutation frequency, lower tumor proliferation rate, and an immune activated phenotype compared to patients with high aging scores (HAS group). While the HAS group was enriched in tumor cells and showed a lower infiltration of CD8-CCR7, CD8- CXCL13, CD8-GNLY, FCGR3A NK cells, XCL1 NK cells, plasma cell (PC) and other immune subsets. Furthermore, the SPP1 and TENASCIN pathways, associated with tumor immune escape and tumor progression, were also enriched in the HAS group. Additionally, our study also indicated that senescence levels were heterogeneous in the LUAD tumor microenvironment (TME), especially with tumor cells in the LAS group showing higher age scores compared to those in the HAS group. Conclusions Collectively, our findings underscore that ARRS through ARGs serves as a robust biomarker for the prognosis in LUAD.
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Affiliation(s)
- Kun Ru
- Department of Pathology, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, China
| | - Liang Cui
- Geneplus-Beijing Institute, Beijing, China
| | - Cong Wu
- Department of Pathology, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, China
| | - Xin X Tan
- Geneplus-Shenzhen Clinical Laboratory, Shenzhen, China
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, China
| | - Wen T An
- Key Laboratory Experimental Teratology of the Ministry of Education, Department of Physiology, School of Basic Medical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Qiang Wu
- School of Tropical Medicine and Laboratory Medicine, Hainan Medical University, Haikou, China
| | - Yu T Ma
- Department of Pathology, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, China
| | - Yu Hao
- Department of Pathology, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, China
| | - Xiao Xiao
- Geneplus-Shenzhen Institute, Shenzhen, China
| | - Jing Bai
- Geneplus-Beijing Institute, Beijing, China
| | - Xiang Liu
- Department of Thoracic Surgery, The Second Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, China
| | - Xue F Xia
- Geneplus-Beijing Institute, Beijing, China
| | - Miao Q Zhao
- Department of Pathology, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, China
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14
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Lei SY, Qu Y, Yang YQ, Liu JC, Zhang YF, Zhou SY, He QY, Jin H, Yang Y, Guo ZN. Cellular senescence: A novel therapeutic target for central nervous system diseases. Biomed Pharmacother 2024; 179:117311. [PMID: 39182322 DOI: 10.1016/j.biopha.2024.117311] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2024] [Revised: 08/05/2024] [Accepted: 08/13/2024] [Indexed: 08/27/2024] Open
Abstract
The underlying mechanisms of diseases affecting the central nervous system (CNS) remain unclear, limiting the development of effective therapeutic strategies. Remarkably, cellular senescence, a biological phenomenon observed in cultured fibroblasts in vitro, is a crucial intrinsic mechanism that influences homeostasis of the brain microenvironment and contributes to the onset and progression of CNS diseases. Cellular senescence has been observed in disease models established in vitro and in vivo and in bodily fluids or tissue components from patients with CNS diseases. These findings highlight cellular senescence as a promising target for preventing and treating CNS diseases. Consequently, emerging novel therapies targeting senescent cells have exhibited promising therapeutic effects in preclinical and clinical studies on aging-related diseases. These innovative therapies can potentially delay brain cell loss and functional changes, improve the prognosis of CNS diseases, and provide alternative treatments for patients. In this study, we examined the relevant advancements in this field, particularly focusing on the targeting of senescent cells in the brain for the treatment of chronic neurodegenerative diseases (e.g., Alzheimer's disease, Parkinson's disease, and multiple sclerosis) and acute neurotraumatic insults (e.g., ischemic stroke, spinal cord injury, and traumatic brain injury).
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Affiliation(s)
- Shuang-Yin Lei
- Stroke Center, Department of Neurology, the First Hospital of Jilin University, Changchun 130021, China
| | - Yang Qu
- Stroke Center, Department of Neurology, the First Hospital of Jilin University, Changchun 130021, China
| | - Yu-Qian Yang
- Stroke Center, Department of Neurology, the First Hospital of Jilin University, Changchun 130021, China
| | - Jia-Cheng Liu
- Stroke Center, Department of Neurology, the First Hospital of Jilin University, Changchun 130021, China
| | - Yi-Fei Zhang
- Stroke Center, Department of Neurology, the First Hospital of Jilin University, Changchun 130021, China
| | - Sheng-Yu Zhou
- Stroke Center, Department of Neurology, the First Hospital of Jilin University, Changchun 130021, China
| | - Qian-Yan He
- Stroke Center, Department of Neurology, the First Hospital of Jilin University, Changchun 130021, China
| | - Hang Jin
- Stroke Center, Department of Neurology, the First Hospital of Jilin University, Changchun 130021, China.
| | - Yi Yang
- Stroke Center, Department of Neurology, the First Hospital of Jilin University, Changchun 130021, China.
| | - Zhen-Ni Guo
- Stroke Center, Department of Neurology, the First Hospital of Jilin University, Changchun 130021, China; Neuroscience Research Center, Department of Neurology, the First Hospital of Jilin University, Changchun 130021, China.
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15
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Zhang Y, Xiao B, Yuan S, Ding L, Pan Y, Jiang Y, Sun S, Ke X, Cai L, Jia L. Tryptanthrin targets GSTP1 to induce senescence and increases the susceptibility to apoptosis by senolytics in liver cancer cells. Redox Biol 2024; 76:103323. [PMID: 39180983 PMCID: PMC11388193 DOI: 10.1016/j.redox.2024.103323] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2024] [Revised: 08/05/2024] [Accepted: 08/18/2024] [Indexed: 08/27/2024] Open
Abstract
Targeting senescence has emerged as a promising strategy for liver cancer treatment. However, the lack of a safe agent capable of inducing complete senescence and being combined with senolytics poses a limitation. Here, we screened a natural product library and identified tryptanthrin (TRYP) as a potent inducer of cellular senescence in liver cancer cells both in vitro and in vivo. Mechanistically, Glutathione S-transferase P1 (GSTP1), a key regulator for redox homeostasis, was identified as a target protein for TRYP-induced senescence. TRYP directly bound to GSTP1 and inhibited its enzymatic activity, mediating reactive oxygen species (ROS) accumulation, followed by DNA damage response (DDR), consequently contributing to initiating primary senescence. Furthermore, TRYP triggered DNA damage-dependent activation of NF-κB pathway, which evoked senescence-associated secretory phenotype (SASP), thereby leading to senescence reinforcement. Importantly, TRYP exposed the vulnerability of tumor cells and sensitized senescent cells to apoptosis induced by senolytic agent ABT263, a Bcl2 inhibitor. Taken together, our findings reveal that TRYP induces cellular senescence via GSTP1/ROS/DDR/NF-κB/SASP axis, providing a novel potential application in synergizing with senolytic therapy in liver cancer.
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Affiliation(s)
- Yuxuan Zhang
- Cancer Institute, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, PR China
| | - Biying Xiao
- Cancer Institute, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, PR China
| | - Shuying Yuan
- Cancer Institute, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, PR China
| | - Lele Ding
- Cancer Institute, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, PR China
| | - Yongfu Pan
- Cancer Institute, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, PR China
| | - Yanyu Jiang
- Cancer Institute, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, PR China
| | - Shenghao Sun
- Cancer Institute, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, PR China
| | - Xisong Ke
- Center for Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, PR China
| | - Lili Cai
- Cancer Institute, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, PR China.
| | - Lijun Jia
- Cancer Institute, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, PR China.
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16
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Jang DH, Shin JW, Shim E, Ohtani N, Jeon OH. The connection between aging, cellular senescence and gut microbiome alterations: A comprehensive review. Aging Cell 2024:e14315. [PMID: 39148278 DOI: 10.1111/acel.14315] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2024] [Revised: 07/24/2024] [Accepted: 08/06/2024] [Indexed: 08/17/2024] Open
Abstract
The intricate interplay between cellular senescence and alterations in the gut microbiome emerges as a pivotal axis in the aging process, increasingly recognized for its contribution to systemic inflammation, physiological decline, and predisposition to age-associated diseases. Cellular senescence, characterized by a cessation of cell division in response to various stressors, induces morphological and functional changes within tissues. The complexity and heterogeneity of senescent cells, alongside the secretion of senescence-associated secretory phenotype, exacerbate the aging process through pro-inflammatory pathways and influence the microenvironment and immune system. Concurrently, aging-associated changes in gut microbiome diversity and composition contribute to dysbiosis, further exacerbating systemic inflammation and undermining the integrity of various bodily functions. This review encapsulates the burgeoning research on the reciprocal relationship between cellular senescence and gut dysbiosis, highlighting their collective impact on age-related musculoskeletal diseases, including osteoporosis, sarcopenia, and osteoarthritis. It also explores the potential of modulating the gut microbiome and targeting cellular senescence as innovative strategies for healthy aging and mitigating the progression of aging-related conditions. By exploring targeted interventions, including the development of senotherapeutic drugs and probiotic therapies, this review aims to shed light on novel therapeutic avenues. These strategies leverage the connection between cellular senescence and gut microbiome alterations to advance aging research and development of interventions aimed at extending health span and improving the quality of life in the older population.
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Affiliation(s)
- Dong-Hyun Jang
- Department of Biomedical Sciences, Korea University College of Medicine, Seoul, Republic of Korea
| | - Ji-Won Shin
- Department of Biomedical Sciences, Korea University College of Medicine, Seoul, Republic of Korea
| | - Eunha Shim
- Department of Biomedical Sciences, Korea University College of Medicine, Seoul, Republic of Korea
| | - Naoko Ohtani
- Department of Pathophysiology, Osaka Metropolitan University Graduate School of Medicine, Osaka, Japan
| | - Ok Hee Jeon
- Department of Biomedical Sciences, Korea University College of Medicine, Seoul, Republic of Korea
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17
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Whytock KL, Divoux A, Sun Y, Pino MF, Yu G, Jin CA, Robino JJ, Plekhanov A, Varlamov O, Smith SR, Walsh MJ, Sparks LM. Aging human abdominal subcutaneous white adipose tissue at single cell resolution. Aging Cell 2024:e14287. [PMID: 39141531 DOI: 10.1111/acel.14287] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2024] [Revised: 07/10/2024] [Accepted: 07/16/2024] [Indexed: 08/16/2024] Open
Abstract
White adipose tissue (WAT) is a robust energy storage and endocrine organ critical for maintaining metabolic health as we age. Our aim was to identify cell-specific transcriptional aberrations that occur in WAT with aging. We leveraged full-length snRNA-Seq and histology to characterize the cellular landscape of human abdominal subcutaneous WAT in a prospective cohort of 10 younger (≤30 years) and 10 older individuals (≥65 years) balanced for sex and body mass index (BMI). The older group had greater cholesterol, very-low-density lipoprotein, triglycerides, thyroid stimulating hormone, and aspartate transaminase compared to the younger group (p < 0.05). We highlight that aging WAT is associated with adipocyte hypertrophy, increased proportions of lipid-associated macrophages and mast cells, an upregulation of immune responses linked to fibrosis in pre-adipocyte, adipocyte, and vascular populations, and highlight CXCL14 as a biomarker of these processes. We show that older WAT has elevated levels of senescence marker p16 in adipocytes and identify the adipocyte subpopulation driving this senescence profile. We confirm that these transcriptional and phenotypical changes occur without overt fibrosis and in older individuals that have comparable WAT insulin sensitivity to the younger individuals.
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Affiliation(s)
- K L Whytock
- Translational Research Institute, AdventHealth, Orlando, Florida, USA
| | - A Divoux
- Translational Research Institute, AdventHealth, Orlando, Florida, USA
| | - Y Sun
- Icahn School of Medicine at Mount Sinai, New York City, New York, USA
| | - M F Pino
- Translational Research Institute, AdventHealth, Orlando, Florida, USA
| | - G Yu
- Translational Research Institute, AdventHealth, Orlando, Florida, USA
| | - C A Jin
- Department of Genetics, School of Medicine, Stanford University, Stanford, California, USA
| | - J J Robino
- Divisions of Metabolic Health and Disease, Oregon National Primate Research Center, Beaverton, Oregon, USA
| | - A Plekhanov
- Divisions of Metabolic Health and Disease, Oregon National Primate Research Center, Beaverton, Oregon, USA
| | - O Varlamov
- Divisions of Metabolic Health and Disease, Oregon National Primate Research Center, Beaverton, Oregon, USA
| | - S R Smith
- Translational Research Institute, AdventHealth, Orlando, Florida, USA
| | - M J Walsh
- Icahn School of Medicine at Mount Sinai, New York City, New York, USA
| | - L M Sparks
- Translational Research Institute, AdventHealth, Orlando, Florida, USA
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18
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Yao G. Quiescence-Origin Senescence: A New Paradigm in Cellular Aging. Biomedicines 2024; 12:1837. [PMID: 39200301 PMCID: PMC11351160 DOI: 10.3390/biomedicines12081837] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2024] [Revised: 08/03/2024] [Accepted: 08/09/2024] [Indexed: 09/02/2024] Open
Abstract
Cellular senescence, traditionally viewed as a consequence of proliferating and growing cells overwhelmed by extensive stresses and damage, has long been recognized as a critical cellular aging mechanism. Recent research, however, has revealed a novel pathway termed "quiescence-origin senescence", where cells directly transition into senescence from the quiescent state, bypassing cell proliferation and growth. This opinion paper presents a framework conceptualizing a continuum between quiescence and senescence with quiescence deepening as a precursor to senescence entry. We explore the triggers and controllers of this process and discuss its biological implications. Given that the majority of cells in the human body are dormant rather than proliferative, understanding quiescence-origin senescence has significant implications for tissue homeostasis, aging, cancer, and various disease processes. The new paradigm in exploring this previously overlooked senescent cell population may reshape our intervention strategies for age-related diseases and tissue regeneration.
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Affiliation(s)
- Guang Yao
- Department of Molecular & Cellular Biology, University of Arizona, Tucson, AZ 85721, USA;
- Arizona Cancer Center, University of Arizona, Tucson, AZ 85719, USA
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19
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Ratushnyy A, Ezdakova M, Matveeva D, Tyrina E, Buravkova L. Regulatory Effects of Senescent Mesenchymal Stem Cells: Endotheliocyte Reaction. Cells 2024; 13:1345. [PMID: 39195236 DOI: 10.3390/cells13161345] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2024] [Revised: 08/01/2024] [Accepted: 08/08/2024] [Indexed: 08/29/2024] Open
Abstract
Currently, there is a growing focus on aging and age-related diseases. The processes of aging are based on cell senescence, which results in changes in intercellular communications and pathological alterations in tissues. In the present study, we investigate the influence of senescent mesenchymal stem cells (MSCs) on endothelial cells (ECs). In order to induce senescence in MSCs, we employed a method of stress-induced senescence utilizing mitomycin C (MmC). Subsequent experiments involved the interaction of ECs with MSCs in a coculture or the treatment of ECs with the secretome of senescent MSCs. After 48 h, we assessed the EC state. Our findings revealed that direct interaction led to a decrease in EC proliferation and migratory activity of the coculture. Furthermore, there was an increase in the activity of the lysosomal compartment, as well as an upregulation of the genes P21, IL6, IL8, ITGA1, and ITGB1. Treatment of ECs with the "senescent" secretome resulted in less pronounced effects, although a decrease in proliferation and an increase in ICAM-1 expression were observed. The maintenance of high levels of typical "senescent" cytokines and growth factors after 48 h suggests that the addition of the "senescent" secretome may have a prolonged effect on the cells. It is noteworthy that in samples treated with the "senescent" secretome, the level of PDGF-AA was higher, which may explain some of the pro-regenerative effects of senescent cells. Therefore, the detected changes may underlie both the negative and positive effects of senescence. The findings provide insight into the effects of cell senescence in vitro, where many of the organism's regulatory mechanisms are absent.
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Affiliation(s)
- Andrey Ratushnyy
- Institute of Biomedical Problems, Russian Academy of Sciences, Khoroshevskoye Shosse, 76a, 123007 Moscow, Russia
| | - Mariia Ezdakova
- Institute of Biomedical Problems, Russian Academy of Sciences, Khoroshevskoye Shosse, 76a, 123007 Moscow, Russia
| | - Diana Matveeva
- Institute of Biomedical Problems, Russian Academy of Sciences, Khoroshevskoye Shosse, 76a, 123007 Moscow, Russia
| | - Ekaterina Tyrina
- Institute of Biomedical Problems, Russian Academy of Sciences, Khoroshevskoye Shosse, 76a, 123007 Moscow, Russia
| | - Ludmila Buravkova
- Institute of Biomedical Problems, Russian Academy of Sciences, Khoroshevskoye Shosse, 76a, 123007 Moscow, Russia
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20
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Mei Q, Li K, Tang T, Cai S, Liu Y, Wang X, Jia Y, Zhang L, Li H, Song H, Zhai J, Xiang W. miR-203-3p promotes senescence of mouse bone marrow mesenchymal stem cells via downregulation of Pbk. Aging Cell 2024:e14293. [PMID: 39123275 DOI: 10.1111/acel.14293] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2024] [Accepted: 07/18/2024] [Indexed: 08/12/2024] Open
Abstract
The senescence of bone marrow mesenchymal stem cells (BMSCs) contributes to the development of degenerative skeletal conditions. To date, the molecular mechanism resulting in BMSC senescence has not been fully understood. In this study, we identified a small non-coding RNA, miR-203-3p, the expression of which was elevated in BMSCs from aged mice. On the other hand, overexpression of miR-203-3p in BMSCs from young mice reduced cell growth and enhanced their senescence. Mechanistically, PDZ-linked kinase (PBK) is predicted to be the target of miR-203-3p. The binding of miR-203-3p to Pbk mRNA could decrease its expression, which in turn inhibited the ubiquitination-mediated degradation of p53. Furthermore, the intravitreal injection of miR-203-3p-inhibitor into the bone marrow cavity of aged mice attenuated BMSC senescence and osteoporosis in aged mice. Collectively, these findings suggest that targeting miR-203-3p to delay BMSC senescence could be a potential therapeutic strategy to alleviate age-related osteoporosis.
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Affiliation(s)
- Qiaojuan Mei
- Institute of Reproductive Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Kexin Li
- Institute of Reproductive Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Tianyu Tang
- Institute of Reproductive Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Siying Cai
- Institute of Reproductive Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yu Liu
- Institute of Reproductive Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Department of Gynecology, Maternal and Child Health Hospital of Hubei Province, Wuhan, China
| | - Xiaofei Wang
- Institute of Reproductive Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- The First College of Clinical Medical Science, China Three Gorges University, Yichang, China
| | - Yinzhao Jia
- Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Ling Zhang
- Institute of Reproductive Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Huaibiao Li
- Institute of Reproductive Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Hui Song
- Department of Cardiology, Jinan Central Hospital, Shandong First Medical University, Jinan, Shandong, China
| | - Jun Zhai
- Center for Reproductive Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Wenpei Xiang
- Institute of Reproductive Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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21
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Pramotton FM, Spitz S, Kamm RD. Challenges and Future Perspectives in Modeling Neurodegenerative Diseases Using Organ-on-a-Chip Technology. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2403892. [PMID: 38922799 PMCID: PMC11348103 DOI: 10.1002/advs.202403892] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/12/2024] [Revised: 06/01/2024] [Indexed: 06/28/2024]
Abstract
Neurodegenerative diseases (NDDs) affect more than 50 million people worldwide, posing a significant global health challenge as well as a high socioeconomic burden. With aging constituting one of the main risk factors for some NDDs such as Alzheimer's disease (AD) and Parkinson's disease (PD), this societal toll is expected to rise considering the predicted increase in the aging population as well as the limited progress in the development of effective therapeutics. To address the high failure rates in clinical trials, legislative changes permitting the use of alternatives to traditional pre-clinical in vivo models are implemented. In this regard, microphysiological systems (MPS) such as organ-on-a-chip (OoC) platforms constitute a promising tool, due to their ability to mimic complex and human-specific tissue niches in vitro. This review summarizes the current progress in modeling NDDs using OoC technology and discusses five critical aspects still insufficiently addressed in OoC models to date. Taking these aspects into consideration in the future MPS will advance the modeling of NDDs in vitro and increase their translational value in the clinical setting.
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Affiliation(s)
- Francesca Michela Pramotton
- Department of Mechanical Engineering and Biological EngineeringMassachusetts Institute of TechnologyCambridgeMA02139USA
| | - Sarah Spitz
- Department of Mechanical Engineering and Biological EngineeringMassachusetts Institute of TechnologyCambridgeMA02139USA
| | - Roger D. Kamm
- Department of Mechanical Engineering and Biological EngineeringMassachusetts Institute of TechnologyCambridgeMA02139USA
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22
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Chu JCH, Escriche‐Navarro B, Xiong J, García‐Fernández A, Martínez‐Máñez R, Ng DKP. β-Galactosidase-Triggered Photodynamic Elimination of Senescent Cells with a Boron Dipyrromethene-Based Photosensitizer. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2401012. [PMID: 38884205 PMCID: PMC11336962 DOI: 10.1002/advs.202401012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/27/2024] [Revised: 05/16/2024] [Indexed: 06/18/2024]
Abstract
Senescence is a cellular response having physiological and reparative functions to preserve tissue homeostasis and suppress tumor growth. However, the accumulation of senescent cells would cause deleterious effects that lead to age-related dysfunctions and cancer progression. Hence, selective detection and elimination of senescent cells are crucial yet remain a challenge. A β-galactosidase (β-gal)-activated boron dipyrromethene (BODIPY)-based photosensitizer (compound 1) is reported here that can selectively detect and eradicate senescent cells. It contains a galactose moiety connected to a pyridinium BODIPY via a self-immolative nitrophenylene linker, of which the photoactivity is effectively quenched. Upon interactions with the senescence-associated β-gal, it undergoes enzymatic hydrolysis followed by self-immolation, leading to the release of an activated BODIPY moiety by which the fluorescence emission and singlet oxygen generation are restored. The ability of 1 to detect and eliminate senescent cells is demonstrated in vitro and in vivo, using SK-Mel-103 tumor-bearing mice treated with senescence-inducing therapy. The results demonstrate that 1 can be selectively activated in senescent cells to trigger a robust senolytic effect upon irradiation. This study breaks new ground in the design and application of new senolytic agents based on photodynamic therapy.
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Affiliation(s)
- Jacky C. H. Chu
- Department of ChemistryThe Chinese University of Hong KongShatin, N.T.Hong KongChina
| | - Blanca Escriche‐Navarro
- Instituto Interuniversitario de Investigación de ReconocimientoMolecular y Desarrollo TecnológicoUniversitat Politècnica de ValènciaUniversitat de ValènciaValencia46022Spain
- Unidad Mixta de Investigación en Nanomedicina y SensoresUniversitat Politècnica e València, Instituto de Investigación Sanitaria La Fe (IIS La Fe)Valencia46026Spain
- Unidad Mixta UPV‐CIPF de Investigación en Mecanismos de Enfermedades y NanomedicinaUniversitat Politècnica de València, Centro de Investigación Príncipe FelipeValencia46012Spain
- CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER‐BBN)Instituto de Salud Carlos IIIMadrid28029Spain
| | - Junlong Xiong
- Department of ChemistryThe Chinese University of Hong KongShatin, N.T.Hong KongChina
- Department of PharmacyThe Affiliated Luohu Hospital of Shenzhen UniversityShenzhen UniversityShenzhen518001China
| | - Alba García‐Fernández
- Instituto Interuniversitario de Investigación de ReconocimientoMolecular y Desarrollo TecnológicoUniversitat Politècnica de ValènciaUniversitat de ValènciaValencia46022Spain
- Unidad Mixta UPV‐CIPF de Investigación en Mecanismos de Enfermedades y NanomedicinaUniversitat Politècnica de València, Centro de Investigación Príncipe FelipeValencia46012Spain
- CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER‐BBN)Instituto de Salud Carlos IIIMadrid28029Spain
| | - Ramón Martínez‐Máñez
- Instituto Interuniversitario de Investigación de ReconocimientoMolecular y Desarrollo TecnológicoUniversitat Politècnica de ValènciaUniversitat de ValènciaValencia46022Spain
- Unidad Mixta de Investigación en Nanomedicina y SensoresUniversitat Politècnica e València, Instituto de Investigación Sanitaria La Fe (IIS La Fe)Valencia46026Spain
- Unidad Mixta UPV‐CIPF de Investigación en Mecanismos de Enfermedades y NanomedicinaUniversitat Politècnica de València, Centro de Investigación Príncipe FelipeValencia46012Spain
- CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER‐BBN)Instituto de Salud Carlos IIIMadrid28029Spain
| | - Dennis K. P. Ng
- Department of ChemistryThe Chinese University of Hong KongShatin, N.T.Hong KongChina
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23
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Duarte M, Pedrosa SS, Khusial PR, Madureira AR. Exploring the interplay between stress mediators and skin microbiota in shaping age-related hallmarks: A review. Mech Ageing Dev 2024; 220:111956. [PMID: 38906383 DOI: 10.1016/j.mad.2024.111956] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2024] [Revised: 05/27/2024] [Accepted: 06/14/2024] [Indexed: 06/23/2024]
Abstract
Psychological stress is a major contributing factor to several health problems (e.g., depression, cardiovascular disease). Around 35 % of the world's population suffers from it, including younger generations. Physiologically, stress manifests through neuroendocrine pathways (Hypothalamic-Pituitary-Adrenal (HPA) axis and Sympathetic-Adrenal-Medullary (SAM) system) which culminate in the production of stress mediators like cortisol, epinephrine and norepinephrine. Stress and its mediators have been associated to body aging, through molecular mechanisms such as telomere attrition, mitochondrial dysfunction, cellular senescence, chronic inflammation, and dysbiosis, among others. Regarding its impact in the skin, stress impacts its structural integrity and physiological function. Despite this review focusing on several hallmarks of aging, emphasis was placed on skin microbiota dysbiosis. In this line, several studies, comprising different age groups, demographic contexts and body sites, have reported skin microbiota alterations associated with aging, and some effects of stress mediators on skin microbiota have also been reviewed in this paper. From a different perspective, since it is not a "traditional" stress mediator, oxytocin, a cortisol antagonist, has been related to glucorticoids inhibition and to display positive effects on cellular aging. This hormone dysregulation has been associated to psychological issues such as depression, whereas its upregulation has been linked to positive social interaction.
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Affiliation(s)
- Marco Duarte
- Universidade Católica Portuguesa, CBQF - Centro de Biotecnologia e Química Fina - Laboratório Associado, Escola Superior de Biotecnologia, Rua Diogo Botelho 1327, Porto 4169-005, Portugal
| | - Sílvia Santos Pedrosa
- Universidade Católica Portuguesa, CBQF - Centro de Biotecnologia e Química Fina - Laboratório Associado, Escola Superior de Biotecnologia, Rua Diogo Botelho 1327, Porto 4169-005, Portugal
| | - P Raaj Khusial
- Amyris Biotech INC, 5885 Hollis St Ste 100, Emeryville, CA 94608-2405, USA
| | - Ana Raquel Madureira
- Universidade Católica Portuguesa, CBQF - Centro de Biotecnologia e Química Fina - Laboratório Associado, Escola Superior de Biotecnologia, Rua Diogo Botelho 1327, Porto 4169-005, Portugal.
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24
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Katsube M, Ishimoto T, Fukushima Y, Kagami A, Shuto T, Kato Y. Ergothioneine promotes longevity and healthy aging in male mice. GeroScience 2024; 46:3889-3909. [PMID: 38446314 PMCID: PMC11226696 DOI: 10.1007/s11357-024-01111-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2023] [Accepted: 02/26/2024] [Indexed: 03/07/2024] Open
Abstract
Healthy aging has emerged as a crucial issue with the increase in the geriatric population worldwide. Food-derived sulfur-containing amino acid ergothioneine (ERGO) is a potential dietary supplement, which exhibits various beneficial effects in experimental animals although the preventive effects of ERGO on aging and/or age-related impairments such as frailty and cognitive impairment are unclear. We investigated the effects of daily oral supplementation of ERGO dissolved in drinking water on lifespan, frailty, and cognitive impairment in male mice from 7 weeks of age to the end of their lives. Ingestion of 4 ~ 5 mg/kg/day of ERGO remarkably extended the lifespan of male mice. The longevity effect of ERGO was further supported by increase in life and non-frailty spans of Caenorhabditis elegans in the presence of ERGO. Compared with the control group, the ERGO group showed significantly lower age-related declines in weight, fat mass, and average and maximum movement velocities at 88 weeks of age. This was compatible with dramatical suppression by ERGO of the age-related increments in plasma biomarkers (BMs) such as the chemokine ligand 9, creatinine, symmetric dimethylarginine, urea, asymmetric dimethylarginine, quinolinic acid, and kynurenine. The oral intake of ERGO also rescued age-related impairments in learning and memory ability, which might be associated with suppression of the age-related decline in hippocampal neurogenesis and TDP43 protein aggregation and promotion of microglial shift to the M2 phenotype by ERGO ingestion. Ingestion of ERGO may promote longevity and healthy aging in male mice, possibly through multiple biological mechanisms.
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Affiliation(s)
- Makoto Katsube
- Faculty of Pharmacy, Kanazawa University, Kanazawa, 920-1192, Japan
| | | | - Yutaro Fukushima
- Department of Molecular Medicine, Graduate School of Pharmaceutical Science, Kumamoto University, Kumamoto, 862-0973, Japan
| | - Asuka Kagami
- Department of Molecular Medicine, Graduate School of Pharmaceutical Science, Kumamoto University, Kumamoto, 862-0973, Japan
| | - Tsuyoshi Shuto
- Department of Molecular Medicine, Graduate School of Pharmaceutical Science, Kumamoto University, Kumamoto, 862-0973, Japan
| | - Yukio Kato
- Faculty of Pharmacy, Kanazawa University, Kanazawa, 920-1192, Japan.
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25
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Yashaswini CN, Qin T, Bhattacharya D, Amor C, Lowe S, Lujambio A, Wang S, Friedman SL. Phenotypes and ontogeny of senescent hepatic stellate cells in metabolic dysfunction-associated steatohepatitis. J Hepatol 2024; 81:207-217. [PMID: 38508241 PMCID: PMC11269047 DOI: 10.1016/j.jhep.2024.03.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Revised: 03/07/2024] [Accepted: 03/08/2024] [Indexed: 03/22/2024]
Abstract
BACKGROUND & AIMS Hepatic stellate cells (HSCs) are the key drivers of fibrosis in metabolic dysfunction-associated steatohepatitis (MASH), the fastest growing cause of hepatocellular carcinoma (HCC) worldwide. HSCs are heterogenous, and a senescent subset of HSCs is implicated in hepatic fibrosis and HCC. Administration of anti-uPAR (urokinase-type plasminogen activator receptor) CAR T cells has been shown to deplete senescent HSCs and attenuate fibrosis in murine models. However, the comprehensive features of senescent HSCs in MASH, as well as their cellular ontogeny have not been characterized; hence, we aimed to comprehensively characterize and define the origin of HSCs in human and murine MASH. METHODS To comprehensively characterize the phenotype and ontogeny of senescent HSCs in human and murine MASH, we integrated senescence-associated beta galactosidase activity with immunostaining, flow cytometry and single-nucleus RNA sequencing (snRNAseq). We integrated the immunohistochemical profile with a senescence score applied to snRNAseq data to characterize senescent HSCs and mapped the evolution of uPAR expression in MASH. RESULTS Using pseudotime trajectory analysis, we establish that senescent HSCs arise from activated HSCs. While uPAR is expressed in MASH, the magnitude and cell-specificity of its expression evolve with disease stage. In early disease, uPAR is more specific to activated and senescent HSCs, while it is also expressed by myeloid-lineage cells, including Trem2+ macrophages and myeloid-derived suppressor cells, in late disease. Furthermore, we identify novel surface proteins expressed on senescent HSCs in human and murine MASH that could be exploited as therapeutic targets. CONCLUSIONS These data define features of HSC senescence in human and murine MASH, establishing an important blueprint to target these cells as part of future antifibrotic therapies. IMPACT AND IMPLICATIONS Hepatic stellate cells (HSCs) are the primary drivers of scarring in chronic liver diseases. As injury develops, a subset of HSCs become senescent; these cells are non-proliferative and pro-inflammatory, thereby contributing to worsening liver injury. Here we show that senescent HSCs are expanded in MASH (metabolic dysfunction-associated steatohepatitis) in humans and mice, and we trace their cellular origin from the activated HSC subset. We further characterize expression of uPAR (urokinase plasminogen activated receptor), a protein that marks senescent HSCs, and report that uPAR is also expressed by activated HSCs in early injury, and in immune cells as liver injury advances. We have integrated high-resolution single-nucleus RNA sequencing with immunostaining and flow cytometry to identify five other novel proteins expressed by senescent HSCs, including mannose receptor CD206, which will facilitate future therapeutic development.
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Affiliation(s)
- Chittampalli N Yashaswini
- Division of Liver Diseases, Icahn School of Medicine at Mount Sinai, New York, NY, United States; Tisch Cancer Institute, Icahn School of Medicine at Mount Sinai, New York, NY, United States; Department of Oncological Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, United States; The Precision Immunology Institute, Icahn School of Medicine at Mount Sinai, New York, NY, United States; Medical Scientist Training Program, Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | - Tianyue Qin
- Division of Liver Diseases, Icahn School of Medicine at Mount Sinai, New York, NY, United States; Tisch Cancer Institute, Icahn School of Medicine at Mount Sinai, New York, NY, United States; Department of Oncological Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | - Dipankar Bhattacharya
- Division of Liver Diseases, Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | - Corina Amor
- Cold Spring Harbor Laboratory. Cold Spring Harbor, NY, United States
| | - Scott Lowe
- Cancer Biology and Genetics Program, Memorial Sloan Kettering Cancer Center, New York, NY, United States; Howard Hughes Medical Institute, Chevy Chase, MD, United States
| | - Amaia Lujambio
- Division of Liver Diseases, Icahn School of Medicine at Mount Sinai, New York, NY, United States; Tisch Cancer Institute, Icahn School of Medicine at Mount Sinai, New York, NY, United States; Department of Oncological Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | - Shuang Wang
- Division of Liver Diseases, Icahn School of Medicine at Mount Sinai, New York, NY, United States; Tisch Cancer Institute, Icahn School of Medicine at Mount Sinai, New York, NY, United States; Department of Oncological Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | - Scott L Friedman
- Division of Liver Diseases, Icahn School of Medicine at Mount Sinai, New York, NY, United States; Tisch Cancer Institute, Icahn School of Medicine at Mount Sinai, New York, NY, United States.
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26
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Li H, Wan L, Liu M, Ma E, Huang L, Yang Y, Li Q, Fang Y, Li J, Han B, Zhang C, Sun L, Hou X, Li H, Sun M, Qian S, Duan X, Zhao R, Yang X, Chen Y, Wu S, Zhang X, Zhang Y, Cheng G, Chen G, Gao Q, Xu J, Hou L, Wei C, Zhong H. SARS-CoV-2 spike-induced syncytia are senescent and contribute to exacerbated heart failure. PLoS Pathog 2024; 20:e1012291. [PMID: 39102426 PMCID: PMC11326701 DOI: 10.1371/journal.ppat.1012291] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Revised: 08/15/2024] [Accepted: 05/27/2024] [Indexed: 08/07/2024] Open
Abstract
SARS-CoV-2 spike protein (SARS-2-S) induced cell-cell fusion in uninfected cells may occur in long COVID-19 syndrome, as circulating SARS-2-S or extracellular vesicles containing SARS-2-S (S-EVs) were found to be prevalent in post-acute sequelae of COVID-19 (PASC) for up to 12 months after diagnosis. Although isolated recombinant SARS-2-S protein has been shown to increase the SASP in senescent ACE2-expressing cells, the direct linkage of SARS-2-S syncytia with senescence in the absence of virus infection and the degree to which SARS-2-S syncytia affect pathology in the setting of cardiac dysfunction are unknown. Here, we found that the senescent outcome of SARS-2-S induced syncytia exacerbated heart failure progression. We first demonstrated that syncytium formation in cells expressing SARS-2-S delivered by DNA plasmid or LNP-mRNA exhibits a senescence-like phenotype. Extracellular vesicles containing SARS-2-S (S-EVs) also confer a potent ability to form senescent syncytia without de novo synthesis of SARS-2-S. However, it is important to note that currently approved COVID-19 mRNA vaccines do not induce syncytium formation or cellular senescence. Mechanistically, SARS-2-S syncytia provoke the formation of functional MAVS aggregates, which regulate the senescence fate of SARS-2-S syncytia by TNFα. We further demonstrate that senescent SARS-2-S syncytia exhibit shrinked morphology, leading to the activation of WNK1 and impaired cardiac metabolism. In pre-existing heart failure mice, the WNK1 inhibitor WNK463, anti-syncytial drug niclosamide, and senolytic dasatinib protect the heart from exacerbated heart failure triggered by SARS-2-S. Our findings thus suggest a potential mechanism for COVID-19-mediated cardiac pathology and recommend the application of WNK1 inhibitor for therapy especially in individuals with post-acute sequelae of COVID-19.
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Affiliation(s)
- Huilong Li
- Beijing Institute of Biotechnology, Beijing, China
- College of Basic Medical Sciences, School of Medicine, Zhejiang University, Hangzhou, China
| | - Luming Wan
- Beijing Institute of Biotechnology, Beijing, China
| | - Muyi Liu
- Beijing Institute of Biotechnology, Beijing, China
| | - Enhao Ma
- Tsinghua-Peking Center for Life Sciences, School of Medicine, Tsinghua University, Beijing, China
| | - Linfei Huang
- Beijing Institute of Biotechnology, Beijing, China
| | - Yilong Yang
- Beijing Institute of Biotechnology, Beijing, China
| | - Qihong Li
- The Fifth Medical Centre, Chinese PLA General Hospital, Beijing, China
| | - Yi Fang
- The Fifth Medical Centre, Chinese PLA General Hospital, Beijing, China
| | - Jingfei Li
- Beijing Institute of Biotechnology, Beijing, China
| | - Bingqing Han
- Beijing Institute of Biotechnology, Beijing, China
| | - Chang Zhang
- Beijing Institute of Biotechnology, Beijing, China
| | - Lijuan Sun
- Beijing Yaogen Biotechnology Co.Ltd, Beijing, China
| | - Xufeng Hou
- Beijing Yaogen Biotechnology Co.Ltd, Beijing, China
| | - Haiyang Li
- Beijing Anzhen Hospital, Capital Medical University, Beijing, China
| | - Mingyu Sun
- Beijing Anzhen Hospital, Capital Medical University, Beijing, China
| | - Sichong Qian
- Beijing Anzhen Hospital, Capital Medical University, Beijing, China
| | - Xuejing Duan
- Department of Pathology, Fuwai Hospital, Peking Union Medical College, Chinese Academy of Medical Science, Beijing, China
| | - Ruzhou Zhao
- Beijing Institute of Biotechnology, Beijing, China
| | - Xiaopan Yang
- Beijing Institute of Biotechnology, Beijing, China
| | - Yi Chen
- Beijing Institute of Biotechnology, Beijing, China
| | - Shipo Wu
- Beijing Institute of Biotechnology, Beijing, China
| | - Xuhui Zhang
- Beijing Yaogen Biotechnology Co.Ltd, Beijing, China
| | | | - Gong Cheng
- Tsinghua-Peking Center for Life Sciences, School of Medicine, Tsinghua University, Beijing, China
| | - Gengye Chen
- People's Hospital of Ningxia Hui Autonomous Region, Yinchuan, China
| | - Qi Gao
- Beijing Yaogen Biotechnology Co.Ltd, Beijing, China
| | - Junjie Xu
- Beijing Institute of Biotechnology, Beijing, China
| | - Lihua Hou
- Beijing Institute of Biotechnology, Beijing, China
- College of Basic Medical Sciences, School of Medicine, Zhejiang University, Hangzhou, China
| | - Congwen Wei
- Beijing Institute of Biotechnology, Beijing, China
| | - Hui Zhong
- Beijing Institute of Biotechnology, Beijing, China
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27
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Kalampouka I, Mould RR, Botchway SW, Mackenzie AM, Nunn AV, Thomas EL, Bell JD. Selective induction of senescence in cancer cells through near-infrared light treatment via mitochondrial modulation. JOURNAL OF BIOPHOTONICS 2024; 17:e202400046. [PMID: 39155124 DOI: 10.1002/jbio.202400046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/10/2024] [Revised: 04/29/2024] [Accepted: 05/03/2024] [Indexed: 08/20/2024]
Abstract
Photobiomodulation, utilising non-ionising light in the visible and near-infrared (NIR) spectrum, has been suggested as a potential method for enhancing tissue repair, reducing inflammation and possibly mitigating cancer-therapy-associated side effects. NIR light is suggested to be absorbed intracellularly, mainly by chromophores within the mitochondria. This study examines the impact of 734 nm NIR light on cellular senescence. Cancer (MCF7 and A549) and non-cancer (MCF10A and IMR-90) cell populations were subjected to 63 mJ/cm2 NIR-light exposure for 6 days. Senescence levels were quantified by measuring active senescence-associated beta-galactosidase. Exposure to NIR light significantly increases senescence levels in cancer (10.0%-203.2%) but not in non-cancer cells (p > 0.05). Changes in senescence were associated with significant modulation of mitochondrial homeostasis, including increased levels of reactive oxygen species (p < 0.05) and mitochondrial membrane potential (p < 0.05) post-NIR-light treatment. These results suggest that NIR light modulates cellular chemistry, arresting the proliferation of cancer cells via senescence induction while sparing non-cancer cells.
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Affiliation(s)
- I Kalampouka
- Research Centre for Optimal Health, School of Life Sciences, University of Westminster, London, UK
| | - R R Mould
- Research Centre for Optimal Health, School of Life Sciences, University of Westminster, London, UK
| | - S W Botchway
- Research Complex at Harwell & Central Laser Facility, Rutherford Appleton Laboratory, Didcot, UK
| | - A M Mackenzie
- Research Complex at Harwell & Central Laser Facility, Rutherford Appleton Laboratory, Didcot, UK
| | - A V Nunn
- Research Centre for Optimal Health, School of Life Sciences, University of Westminster, London, UK
- The Guy Foundation - The Guy Foundation Family Trust, Beaminster, UK
| | - E L Thomas
- Research Centre for Optimal Health, School of Life Sciences, University of Westminster, London, UK
| | - J D Bell
- Research Centre for Optimal Health, School of Life Sciences, University of Westminster, London, UK
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28
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Sazdova I, Hadzi-Petrushev N, Keremidarska-Markova M, Stojchevski R, Sopi R, Shileiko S, Mitrokhin V, Gagov H, Avtanski D, Lubomirov LT, Mladenov M. SIRT-associated attenuation of cellular senescence in vascular wall. Mech Ageing Dev 2024; 220:111943. [PMID: 38762036 DOI: 10.1016/j.mad.2024.111943] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2024] [Revised: 05/13/2024] [Accepted: 05/14/2024] [Indexed: 05/20/2024]
Abstract
This review focuses on the vital function that SIRT1 and other sirtuins play in promoting cellular senescence in vascular smooth muscle cells, which is a key element in the pathogenesis of vascular aging and associated cardiovascular diseases. Vascular aging is a gradual process caused by the accumulation of senescent cells, which results in increased vascular remodeling, stiffness, and diminished angiogenic ability. Such physiological alterations are characterized by a complex interplay of environmental and genetic variables, including oxidative stress and telomere attrition, which affect gene expression patterns and trigger cell growth arrest. SIRT1 has been highlighted for its potential to reduce cellular senescence through modulation of multiple signaling cascades, particularly the endothelial nitric oxide (eNOS)/NO signaling pathway. It also modulates cell cycle through p53 inactivation and suppresses NF-κB mediated expression of adhesive molecules at the vascular level. The study also examines the therapeutic potential of sirtuin modulation in vascular health, identifying SIRT1 and its sirtuin counterparts as potential targets for reducing vascular aging. This study sheds light on the molecular basis of vascular aging and the beneficial effects of sirtuins, paving the way for the development of tailored therapies aimed at enhancing vascular health and prolonging life.
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Affiliation(s)
- Iliyana Sazdova
- Department of Animal and Human Physiology, Faculty of Biology, Sofia University 'St. Kliment Ohridski', Sofia 1504, Bulgaria
| | - Nikola Hadzi-Petrushev
- Institute of Biology, Faculty of Natural Sciences and Mathematics, Ss. Cyril and Methodius University, Skopje 1000, North Macedonia
| | - Milena Keremidarska-Markova
- Department of Animal and Human Physiology, Faculty of Biology, Sofia University 'St. Kliment Ohridski', Sofia 1504, Bulgaria
| | - Radoslav Stojchevski
- Friedman Diabetes Institute, Lenox Hill Hospital, Northwell Health, 110 E 59th Street, New York, NY 10022, USA
| | - Ramadan Sopi
- Faculty of Medicine, University of Prishtina, Prishtina 10 000, Kosovo
| | - Stanislav Shileiko
- Department of Fundamental and Applied Physiology, Russian States Medical University, Moscow 117997, Russia
| | - Vadim Mitrokhin
- Department of Fundamental and Applied Physiology, Russian States Medical University, Moscow 117997, Russia
| | - Hristo Gagov
- Department of Animal and Human Physiology, Faculty of Biology, Sofia University 'St. Kliment Ohridski', Sofia 1504, Bulgaria
| | - Dimitar Avtanski
- Friedman Diabetes Institute, Lenox Hill Hospital, Northwell Health, 110 E 59th Street, New York, NY 10022, USA
| | - Lubomir T Lubomirov
- Vascular Biology Research Group (RenEVA), Research Institute, Medical University-Varna, Varna, Bulgaria; Institute of Physiology and Pathophysiology, Faculty of Health - School of Medicine, Biomedical Center for Education and Research (ZBAF), Witten/Herdecke University, Witten, Germany
| | - Mitko Mladenov
- Institute of Biology, Faculty of Natural Sciences and Mathematics, Ss. Cyril and Methodius University, Skopje 1000, North Macedonia; Department of Fundamental and Applied Physiology, Russian States Medical University, Moscow 117997, Russia.
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29
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Qi W, Bai J, Wang R, Zeng X, Zhang L. SATB1, senescence and senescence-related diseases. J Cell Physiol 2024; 239:e31327. [PMID: 38801120 DOI: 10.1002/jcp.31327] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Revised: 05/06/2024] [Accepted: 05/15/2024] [Indexed: 05/29/2024]
Abstract
Aging leads to an accumulation of cellular mutations and damage, increasing the risk of senescence, apoptosis, and malignant transformation. Cellular senescence, which is pivotal in aging, acts as both a guard against cellular transformation and as a check against cancer progression. It is marked by stable cell cycle arrest, widespread macromolecular changes, a pro-inflammatory profile, and altered gene expression. However, it remains to be determined whether these differing subsets of senescent cells result from unique intrinsic programs or are influenced by their environmental contexts. Multiple transcription regulators and chromatin modifiers contribute to these alterations. Special AT-rich sequence-binding protein 1 (SATB1) stands out as a crucial regulator in this process, orchestrating gene expression by structuring chromatin into loop domains and anchoring DNA elements. This review provides an overview of cellular senescence and delves into the role of SATB1 in senescence-related diseases. It highlights SATB1's potential in developing antiaging and anticancer strategies, potentially contributing to improved quality of life and addressing aging-related diseases.
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Affiliation(s)
- Wenjing Qi
- Department of Bioscience, Changchun Normal University, Changchun, Jilin, China
- Key Laboratory of Molecular Epigenetics of Ministry of Education, College of Life Sciences, Northeast Normal University, Changchun, Jilin, China
| | - Jinping Bai
- Department of Bioscience, Changchun Normal University, Changchun, Jilin, China
| | - Ruoxi Wang
- Center for Cell Structure and Function, College of Life Sciences, Key Laboratory of Animal Resistance Biology of Shandong Province, Shandong Normal University, Jinan, Shandong, China
| | - Xianlu Zeng
- Key Laboratory of Molecular Epigenetics of Ministry of Education, College of Life Sciences, Northeast Normal University, Changchun, Jilin, China
| | - Lihui Zhang
- Department of Bioscience, Changchun Normal University, Changchun, Jilin, China
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30
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Liu Y, Lomeli I, Kron SJ. Therapy-Induced Cellular Senescence: Potentiating Tumor Elimination or Driving Cancer Resistance and Recurrence? Cells 2024; 13:1281. [PMID: 39120312 PMCID: PMC11312217 DOI: 10.3390/cells13151281] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2024] [Revised: 07/17/2024] [Accepted: 07/25/2024] [Indexed: 08/10/2024] Open
Abstract
Cellular senescence has been increasingly recognized as a hallmark of cancer, reflecting its association with aging and inflammation, its role as a response to deregulated proliferation and oncogenic stress, and its induction by cancer therapies. While therapy-induced senescence (TIS) has been linked to resistance, recurrence, metastasis, and normal tissue toxicity, TIS also has the potential to enhance therapy response and stimulate anti-tumor immunity. In this review, we examine the Jekyll and Hyde nature of senescent cells (SnCs), focusing on how their persistence while expressing the senescence-associated secretory phenotype (SASP) modulates the tumor microenvironment through autocrine and paracrine mechanisms. Through the SASP, SnCs can mediate both resistance and response to cancer therapies. To fulfill the unmet potential of cancer immunotherapy, we consider how SnCs may influence tumor inflammation and serve as an antigen source to potentiate anti-tumor immune response. This new perspective suggests treatment approaches based on TIS to enhance immune checkpoint blockade. Finally, we describe strategies for mitigating the detrimental effects of senescence, such as modulating the SASP or targeting SnC persistence, which may enhance the overall benefits of cancer treatment.
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Affiliation(s)
| | | | - Stephen J. Kron
- Ludwig Center for Metastasis Research and Department of Molecular Genetics and Cell Biology, The University of Chicago, Chicago, IL 60637, USA
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31
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Mrabti C, Yang N, Desdín-Micó G, Alonso-Calleja A, Vílchez-Acosta A, Pico S, Parras A, Piao Y, Schoenfeldt L, Luo S, Haghani A, Brooke R, del Carmen Maza M, Branchina C, Maroun CY, von Meyenn F, Naveiras O, Horvath S, Sen P, Ocampo A. Loss of H3K9 trimethylation leads to premature aging. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.07.24.604929. [PMID: 39091811 PMCID: PMC11291141 DOI: 10.1101/2024.07.24.604929] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 08/04/2024]
Abstract
Aging is the major risk factor for most human diseases and represents a major socio-economical challenge for modern societies. Despite its importance, the process of aging remains poorly understood. Epigenetic dysregulation has been proposed as a key driver of the aging process. Modifications in transcriptional networks and chromatin structure might be central to age-related functional decline. A prevalent feature described during aging is the overall reduction in heterochromatin, specifically marked by the loss of repressive histone modification, Histone 3 lysine 9 trimethylation (H3K9me3). However, the role of H3K9me3 in aging, especially in mammals, remains unclear. Here we show using a novel mouse strain, (TKOc), carrying a triple knockout of three methyltransferases responsible for H3K9me3 deposition, that the inducible loss of H3K9me3 in adulthood results in premature aging. TKOc mice exhibit reduced lifespan, lower body weight, increased frailty index, multi-organ degeneration, transcriptional changes with significant upregulation of transposable elements, and accelerated epigenetic age. Our data strongly supports the concept that the loss of epigenetic information directly drives the aging process. These findings reveal the importance of epigenetic regulation in aging and suggest that interventions targeting epigenetic modifications could potentially slow down or reverse age-related decline. Understanding the molecular mechanisms underlying the process of aging will be crucial for developing novel therapeutic strategies that can delay the onset of age-associated diseases and preserve human health at old age specially in rapidly aging societies.
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Affiliation(s)
- Calida Mrabti
- Department of Biomedical Sciences, Faculty of Biology and Medicine, University of Lausanne, Lausanne, Vaud, Switzerland
| | - Na Yang
- Laboratory of Genetics and Genomics, National Institute on Aging, NIH, Baltimore, MD 21224, USA
| | - Gabriela Desdín-Micó
- Department of Biomedical Sciences, Faculty of Biology and Medicine, University of Lausanne, Lausanne, Vaud, Switzerland
| | - Alejandro Alonso-Calleja
- Laboratory of Regenerative Hematopoiesis, Department of Biomedical Sciences, University of Lausanne, Switzerland
- Laboratory of Metabolic Signaling, Institute of Bioengineering, Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland
| | - Alba Vílchez-Acosta
- Department of Biomedical Sciences, Faculty of Biology and Medicine, University of Lausanne, Lausanne, Vaud, Switzerland
| | - Sara Pico
- Department of Biomedical Sciences, Faculty of Biology and Medicine, University of Lausanne, Lausanne, Vaud, Switzerland
| | | | - Yulan Piao
- Laboratory of Genetics and Genomics, National Institute on Aging, NIH, Baltimore, MD 21224, USA
| | - Lucas Schoenfeldt
- Department of Biomedical Sciences, Faculty of Biology and Medicine, University of Lausanne, Lausanne, Vaud, Switzerland
- EPITERNA SA, Epalinges, Switzerland
| | - Siyuan Luo
- Departement of Health Sciences and Technology, ETH Zurich, Zurich
| | | | - Robert Brooke
- Epigenetic Clock Development, Foundation, Torrance, California, USA
| | - María del Carmen Maza
- Department of Biomedical Sciences, Faculty of Biology and Medicine, University of Lausanne, Lausanne, Vaud, Switzerland
| | - Clémence Branchina
- Department of Biomedical Sciences, Faculty of Biology and Medicine, University of Lausanne, Lausanne, Vaud, Switzerland
| | - Céline Yacoub Maroun
- Department of Biomedical Sciences, Faculty of Biology and Medicine, University of Lausanne, Lausanne, Vaud, Switzerland
| | | | - Olaia Naveiras
- Laboratory of Genetics and Genomics, National Institute on Aging, NIH, Baltimore, MD 21224, USA
- Laboratory of Regenerative Hematopoiesis, Department of Biomedical Sciences, University of Lausanne, Switzerland
| | - Steve Horvath
- Altos Labs, San Diego, CA, USA
- Human Genetics, David Geffen School of Medicine, University of California, Los Angeles, CA, USA
| | - Payel Sen
- Laboratory of Genetics and Genomics, National Institute on Aging, NIH, Baltimore, MD 21224, USA
| | - Alejandro Ocampo
- Department of Biomedical Sciences, Faculty of Biology and Medicine, University of Lausanne, Lausanne, Vaud, Switzerland
- EPITERNA SA, Epalinges, Switzerland
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32
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Li Z, Huang P, Wu G, Lin W. Activatable Fluorescent Probe for Studying Drug-Induced Senescence In Vitro and In Vivo. Anal Chem 2024; 96:12189-12196. [PMID: 38975803 DOI: 10.1021/acs.analchem.4c02423] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/09/2024]
Abstract
Aging represents a significant risk factor for compromised tissue function and the development of chronic diseases in the human body. This process is intricately linked to oxidative stress, with HClO serving as a vital reactive oxygen species (ROS) within biological systems due to its strong oxidative properties. Hence, conducting a thorough examination of HClO in the context of aging is crucial for advancing the field of aging biology. In this work, we successfully developed a fluorescent probe, OPD, tailored specifically for detecting HClO in senescent cells and in vivo. Impressively, OPD exhibited a robust reaction with HClO, showcasing outstanding selectivity, sensitivity, and photostability. Notably, OPD effectively identified HClO in senescent cells for the first time, confirming that DOX- and ROS-induced senescent cells exhibited higher HClO levels compared to uninduced normal cells. Additionally, in vivo imaging of zebrafish demonstrated that d-galactose- and ROS-stimulated senescent zebrafish displayed elevated HClO levels compared to normal zebrafish. Furthermore, when applied to mouse tissues and organs, OPD revealed increased fluorescence in the organs of senescent mice compared to their nonsenescent counterparts. Our findings also illustrated the probe's potential for detecting changes in HClO content pre- and post-aging in living mice. Overall, this probe holds immense promise as a valuable tool for in vivo detection of HClO and for studying aging biology in live organisms.
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Affiliation(s)
- Zihong Li
- Institute of Optical Materials and Chemical Biology, Guangxi Key Laboratory of Electrochemical Energy Materials, School of Chemistry and Chemical Engineering, Guangxi University, Nanning, Guangxi 530004, P. R. China
| | - Ping Huang
- Institute of Optical Materials and Chemical Biology, Guangxi Key Laboratory of Electrochemical Energy Materials, School of Chemistry and Chemical Engineering, Guangxi University, Nanning, Guangxi 530004, P. R. China
| | - Guoliang Wu
- Institute of Optical Materials and Chemical Biology, Guangxi Key Laboratory of Electrochemical Energy Materials, School of Chemistry and Chemical Engineering, Guangxi University, Nanning, Guangxi 530004, P. R. China
| | - Weiying Lin
- Institute of Optical Materials and Chemical Biology, Guangxi Key Laboratory of Electrochemical Energy Materials, School of Chemistry and Chemical Engineering, Guangxi University, Nanning, Guangxi 530004, P. R. China
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33
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Deng Y, Liu Z, Lu M. Extracellular vesicles deviced from hypoxia-3D-GMSCs rescue the mitochondrial dysfunction of aging-GMSCs. Biochem Biophys Res Commun 2024; 717:150021. [PMID: 38718565 DOI: 10.1016/j.bbrc.2024.150021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2024] [Revised: 04/09/2024] [Accepted: 04/25/2024] [Indexed: 05/21/2024]
Abstract
Mesenchymal stem cells (MSCs) are ubiquitous multipotent cells exhibiting significant therapeutic potential for various diseases. It is generally accepted that clinical application requires massive expansion of MSCs, which is often accompanied by the occurrence of replicative senescence. Additionally, senescent MSCs exhibit significantly reduced proliferation, differentiation, and therapeutic potential. The scale-up of MSCs production and cellular senescence are major challenges for translational applications. This study first collected extracellular vesicles (EVs) from gingival MSCs (GMSCs) under hypoxia preconditioning combined with 3D dynamic culture (obtained EVs designed as H-3D-EVs). Subsequently, we further explored the effects and mechanisms of H-3D-EVs on aging-GMSCs. The results showed that H-3D-EVs improved the proliferation ability and cell activity of aging-GMSCs, and ameliorated their senescence. mRNA sequencing reveals transcriptomic changes in aging-GMSCs. It was found that H-3D-EVs up-regulated genes related to mitochondrial dynamics, cell cycle, and DNA repair, while down-regulated aging-related genes. Furthermore, we verified that H-3D-EVs corrected the mitochondrial dysfunction of aging-GMSCs by improving mitochondrial dynamics. In summary, this study provides a promising strategy for improving the culture methods of GMSCs and avoiding its senescence in large-scale production.
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Affiliation(s)
- Yujia Deng
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, China; Hunan Provincical Key Laboratory of Neurorestoratology, The Second Affiliated Hospital, Hunan Normal University, Changsha, 410003, China; First Clinical Department of Changsha Medical University, The 1501 Leifeng Road in Wangcheng District, Changsha, 410219, China
| | - Zhixiong Liu
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, China.
| | - Ming Lu
- Hunan Provincical Key Laboratory of Neurorestoratology, The Second Affiliated Hospital, Hunan Normal University, Changsha, 410003, China.
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Hernandez-Gonzalez F, Pietrocola F, Cameli P, Bargagli E, Prieto-González S, Cruz T, Mendoza N, Rojas M, Serrano M, Agustí A, Faner R, Gómez-Puerta JA, Sellares J. Exploring the Interplay between Cellular Senescence, Immunity, and Fibrosing Interstitial Lung Diseases: Challenges and Opportunities. Int J Mol Sci 2024; 25:7554. [PMID: 39062798 PMCID: PMC11276754 DOI: 10.3390/ijms25147554] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2024] [Revised: 07/06/2024] [Accepted: 07/08/2024] [Indexed: 07/28/2024] Open
Abstract
Fibrosing interstitial lung diseases (ILDs) are characterized by the gradual and irreversible accumulation of scar tissue in the lung parenchyma. The role of the immune response in the pathogenesis of pulmonary fibrosis remains unclear. In recent years, substantial advancements have been made in our comprehension of the pathobiology driving fibrosing ILDs, particularly concerning various age-related cellular disturbances and immune mechanisms believed to contribute to an inadequate response to stress and increased susceptibility to lung fibrosis. Emerging studies emphasize cellular senescence as a key mechanism implicated in the pathobiology of age-related diseases, including pulmonary fibrosis. Cellular senescence, marked by antagonistic pleiotropy, and the complex interplay with immunity, are pivotal in comprehending many aspects of lung fibrosis. Here, we review progress in novel concepts in cellular senescence, its association with the dysregulation of the immune response, and the evidence underlining its detrimental role in fibrosing ILDs.
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Affiliation(s)
- Fernanda Hernandez-Gonzalez
- Department of Respiratory Medicine, Respiratory Institute, Hospital Clinic Barcelona, 08036 Barcelona, Spain; (A.A.); (J.S.)
- Instituto de Investigaciones Biomédicas August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain; (S.P.-G.); (T.C.); (N.M.); (R.F.)
- Faculty of Medicine and Health Sciences, University of Barcelona, 08036 Barcelona, Spain
| | - Federico Pietrocola
- Department of Cell and Molecular Biology, Karolinska Institutet, 17165 Solna, Sweden;
| | - Paolo Cameli
- Respiratory Diseases Unit, Department of Medical and Surgical Sciences & Neuro-Sciences, University of Siena, 53100 Siena, Italy; (P.C.); (E.B.)
| | - Elena Bargagli
- Respiratory Diseases Unit, Department of Medical and Surgical Sciences & Neuro-Sciences, University of Siena, 53100 Siena, Italy; (P.C.); (E.B.)
| | - Sergio Prieto-González
- Instituto de Investigaciones Biomédicas August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain; (S.P.-G.); (T.C.); (N.M.); (R.F.)
- Faculty of Medicine and Health Sciences, University of Barcelona, 08036 Barcelona, Spain
- Vasculitis Research Unit, Department of Autoimmune Diseases, Hospital Clinic Barcelona, 08036 Barcelona, Spain
| | - Tamara Cruz
- Instituto de Investigaciones Biomédicas August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain; (S.P.-G.); (T.C.); (N.M.); (R.F.)
- Centro Investigación Biomédica en Red Enfermedades Respiratorias (CIBERES), 08036 Barcelona, Spain
| | - Nuria Mendoza
- Instituto de Investigaciones Biomédicas August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain; (S.P.-G.); (T.C.); (N.M.); (R.F.)
- Faculty of Medicine and Health Sciences, University of Barcelona, 08036 Barcelona, Spain
- Centro Investigación Biomédica en Red Enfermedades Respiratorias (CIBERES), 08036 Barcelona, Spain
| | - Mauricio Rojas
- Division of Pulmonary, Allergy and Critical Care Medicine, Department of Medicine, The Ohio State University Wexner Medical Center, Columbus, OH 43210, USA;
| | - Manuel Serrano
- Cambridge Institute of Science, Altos Labs, Cambridge CB21 6GP, UK;
| | - Alvar Agustí
- Department of Respiratory Medicine, Respiratory Institute, Hospital Clinic Barcelona, 08036 Barcelona, Spain; (A.A.); (J.S.)
- Instituto de Investigaciones Biomédicas August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain; (S.P.-G.); (T.C.); (N.M.); (R.F.)
- Faculty of Medicine and Health Sciences, University of Barcelona, 08036 Barcelona, Spain
- Centro Investigación Biomédica en Red Enfermedades Respiratorias (CIBERES), 08036 Barcelona, Spain
| | - Rosa Faner
- Instituto de Investigaciones Biomédicas August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain; (S.P.-G.); (T.C.); (N.M.); (R.F.)
- Centro Investigación Biomédica en Red Enfermedades Respiratorias (CIBERES), 08036 Barcelona, Spain
- Biomedicine Department, University of Barcelona, 08036 Barcelona, Spain
| | - Jose A. Gómez-Puerta
- Instituto de Investigaciones Biomédicas August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain; (S.P.-G.); (T.C.); (N.M.); (R.F.)
- Rheumatology Department, Hospital Clinic Barcelona, 08036 Barcelona, Spain
| | - Jacobo Sellares
- Department of Respiratory Medicine, Respiratory Institute, Hospital Clinic Barcelona, 08036 Barcelona, Spain; (A.A.); (J.S.)
- Instituto de Investigaciones Biomédicas August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain; (S.P.-G.); (T.C.); (N.M.); (R.F.)
- Faculty of Medicine and Health Sciences, University of Barcelona, 08036 Barcelona, Spain
- Centro Investigación Biomédica en Red Enfermedades Respiratorias (CIBERES), 08036 Barcelona, Spain
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Wang L, Lin F, Liu Y, Li W, Ding Q, Duan X, Yang L, Bai Z, Zhang M, Guo Y. Wogonin protects against bleomycin-induced mouse pulmonary fibrosis via the inhibition of CDK9/p53-mediated cell senescence. Front Pharmacol 2024; 15:1407891. [PMID: 39040475 PMCID: PMC11260675 DOI: 10.3389/fphar.2024.1407891] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2024] [Accepted: 06/06/2024] [Indexed: 07/24/2024] Open
Abstract
Pulmonary fibrosis (PF) is a fatal interstitial lung disease associated with declining pulmonary function but currently with few effective drugs. Cellular senescence has been implicated in the pathogenesis of PF and could be a potential therapeutic target. Emerging evidence suggests wogonin, the bioactive compound isolated from Scutellaria baicalensis, owns the anti-senescence properties, however, the possible impact of wogonin on PF and the potential mechanisms remain unclear. In this study, a well-established mouse model of PF was utilized which mice were administrated with bleomycin (BLM). Strikingly, wogonin treatment significantly reduced fibrosis deposition in the lung induced by BLM. In vitro, wogonin also suppressed fibrotic markers of cultured epithelial cells stimulated by BLM or hydrogen peroxide. Mechanistic investigation revealed that wogonin attenuated the expressions of DNA damage marker γ-H2AX and senescence-related markers including phosphorylated p53, p21, retinoblastoma protein (pRB), and senescence-associated β-galactosidase (SA-β-gal). Moreover, wogonin, as a direct and selective inhibitor of cyclin-dependent kinase 9 (CDK9), exhibited anti-fibrotic capacity by inhibiting CDK9 and p53/p21 signalling. In conclusion, wogonin protects against BLM-induced PF in mice through the inhibition of cell senescence via the regulation of CDK9/p53 and DNA damage pathway. This is the first study to demonstrate the beneficial effect of wogonin on PF, and its implication as a novel candidate for PF therapy.
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Affiliation(s)
- Libo Wang
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, China
| | - Fei Lin
- Department of Cardiology, Life Science Research Center, The First Affiliated Hospital of Xinxiang Medical University, Xinxiang, China
| | - Youli Liu
- Department of Cardiology, Life Science Research Center, The First Affiliated Hospital of Xinxiang Medical University, Xinxiang, China
| | - Wei Li
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, China
| | - Qingjie Ding
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, China
| | - Xulei Duan
- Department of Cardiology, Life Science Research Center, The First Affiliated Hospital of Xinxiang Medical University, Xinxiang, China
| | - Lin Yang
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, China
| | - Zhengyu Bai
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, China
| | - Min Zhang
- King’s College London British Heart Foundation Centre of Research Excellence, School of Cardiovascular and Metabolic Medicine and Sciences, London, United Kingdom
| | - Yuming Guo
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, China
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Wei Q, Chen R, He X, Qu Y, Yan C, Liu X, Liu J, Luo J, Yu Z, Hu W, Wang L, Lin X, Wu C, Xiao J, Zhou H, Wang J, Zhu M, Yang P, Chen Y, Tan Q, Yuan X, Jing H, Zhang W. Multi-omics and single cell characterization of cancer immunosenescence landscape. Sci Data 2024; 11:739. [PMID: 38972884 PMCID: PMC11228048 DOI: 10.1038/s41597-024-03562-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2023] [Accepted: 06/21/2024] [Indexed: 07/09/2024] Open
Abstract
Cellular senescence (CS) is closely related to tumor progression. However, the studies about CS genes across human cancers have not explored the relationship between cancer senescence signature and telomere length. Additionally, single-cell analyses have not revealed the evolutionary trends of malignant cells and immune cells at the CS level. We defined a CS-associated signature, called "senescence signature", and found that patients with higher senescence signature had worse prognosis. Higher senescence signature was related to older age, higher genomic instability, longer telomeres, increased lymphocytic infiltration, higher pro-tumor immune infiltrates (Treg cells and MDSCs), and could predict responses to immune checkpoint inhibitor therapy. Single-cell analysis further reveals malignant cells and immune cells share a consistent evolutionary trend at the CS level. MAPK signaling pathway and apoptotic processes may play a key role in CS, and senescence signature may effectively predict sensitivity of MEK1/2 inhibitors, ERK1/2 inhibitors and BCL-2 family inhibitors. We also developed a new CS prediction model of cancer survival and established a portal website to apply this model ( https://bio-pub.shinyapps.io/cs_nomo/ ).
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Affiliation(s)
- Qiuxia Wei
- Department of Hematology, Lymphoma Research Center, Peking University Third Hospital, Beijing, 100191, China
| | - Ruizhi Chen
- Department of Hematology, Lymphoma Research Center, Peking University Third Hospital, Beijing, 100191, China
- Gannan Medical University, Ganzhou, 341000, China
- Suichang County People's Hospital, Lishui, 323000, China
| | - Xue He
- Department of Pathology, Beijing Tiantan Hospital, Capital Medical University, Beijing, 100070, China
| | - Yanan Qu
- Peking University Research Center on Aging, Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Peking University Health Science Center, 100191, Beijing, China
| | - Changjian Yan
- The Second Affiliated Hospital of Fujian Medical University, Quanzhou, 362000, China
| | - Xiaoni Liu
- Department of Respiratory Medicine, The First Affiliated Hospital of Gannan Medical University, Ganzhou, 341000, China
| | - Jing Liu
- Gannan Medical University, Ganzhou, 341000, China
| | - Jiahao Luo
- Gannan Medical University, Ganzhou, 341000, China
| | - Zining Yu
- Department of Clinical Laboratory, Shangrao Municipal Hospital, Jiangxi, 334000, China
| | - Wenping Hu
- Gannan Medical University, Ganzhou, 341000, China
| | - Liqun Wang
- Department of Radiation Oncology, Harbin Medical University Cancer Hospital, Harbin, 150000, China
| | - Xiaoya Lin
- Gannan Medical University, Ganzhou, 341000, China
| | - Chaoling Wu
- Department of Respiratory medicine, Affiliated Hospital of Jiujiang University, Jiujiang, 332000, China
| | - Jinyuan Xiao
- Gannan Medical University, Ganzhou, 341000, China
| | - Haibo Zhou
- Department of Epidemiology & Health Statistics, School of Public Health, School of Medicine, Zhejiang University, Hangzhou, 310058, China
| | - Jing Wang
- Department of Hematology, Lymphoma Research Center, Peking University Third Hospital, Beijing, 100191, China
| | - Mingxia Zhu
- Department of Hematology, Lymphoma Research Center, Peking University Third Hospital, Beijing, 100191, China
| | - Ping Yang
- Department of Hematology, Lymphoma Research Center, Peking University Third Hospital, Beijing, 100191, China
| | - Yingtong Chen
- Department of Hematology, Lymphoma Research Center, Peking University Third Hospital, Beijing, 100191, China
| | - Qilong Tan
- School of Public Health, School of Medicine, Zhejiang University, Hangzhou, 310058, China
| | - Xiaoliang Yuan
- Department of Respiratory Medicine, The First Affiliated Hospital of Gannan Medical University, Ganzhou, 341000, China.
| | - Hongmei Jing
- Department of Hematology, Lymphoma Research Center, Peking University Third Hospital, Beijing, 100191, China.
| | - Weilong Zhang
- Department of Hematology, Lymphoma Research Center, Peking University Third Hospital, Beijing, 100191, China.
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37
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Lawrence M, Goyal A, Pathak S, Ganguly P. Cellular Senescence and Inflammaging in the Bone: Pathways, Genetics, Anti-Aging Strategies and Interventions. Int J Mol Sci 2024; 25:7411. [PMID: 39000517 PMCID: PMC11242738 DOI: 10.3390/ijms25137411] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2024] [Revised: 06/22/2024] [Accepted: 07/03/2024] [Indexed: 07/16/2024] Open
Abstract
Advancing age is associated with several age-related diseases (ARDs), with musculoskeletal conditions impacting millions of elderly people worldwide. With orthopedic conditions contributing towards considerable number of patients, a deeper understanding of bone aging is the need of the hour. One of the underlying factors of bone aging is cellular senescence and its associated senescence associated secretory phenotype (SASP). SASP comprises of pro-inflammatory markers, cytokines and chemokines that arrest cell growth and development. The accumulation of SASP over several years leads to chronic low-grade inflammation with advancing age, also known as inflammaging. The pathways and molecular mechanisms focused on bone senescence and inflammaging are currently limited but are increasingly being explored. Most of the genes, pathways and mechanisms involved in senescence and inflammaging coincide with those associated with cancer and other ARDs like osteoarthritis (OA). Thus, exploring these pathways using techniques like sequencing, identifying these factors and combatting them with the most suitable approach are crucial for healthy aging and the early detection of ARDs. Several approaches can be used to aid regeneration and reduce senescence in the bone. These may be pharmacological, non-pharmacological and lifestyle interventions. With increasing evidence towards the intricate relationship between aging, senescence, inflammation and ARDs, these approaches may also be used as anti-aging strategies for the aging bone marrow (BM).
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Affiliation(s)
- Merin Lawrence
- School of Biological and Chemical Sciences, University of Galway, H91W2TY Galway, Ireland
| | - Abhishek Goyal
- RAS Life Science Solutions, Stresemannallee 61, 60596 Frankfurt, Germany
| | - Shelly Pathak
- Observational and Pragmatic Research Institute, 5 Coles Lane, Oakington, Cambridge CB24 3BA, UK
| | - Payal Ganguly
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds LS9 7JT, UK
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Marzetti E, Calvani R, Landi F, Coelho-Júnior HJ, Picca A. Mitochondrial Quality Control Processes at the Crossroads of Cell Death and Survival: Mechanisms and Signaling Pathways. Int J Mol Sci 2024; 25:7305. [PMID: 39000412 PMCID: PMC11242688 DOI: 10.3390/ijms25137305] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2024] [Revised: 06/20/2024] [Accepted: 07/02/2024] [Indexed: 07/16/2024] Open
Abstract
Biological aging results from an accumulation of damage in the face of reduced resilience. One major driver of aging is cell senescence, a state in which cells remain viable but lose their proliferative capacity, undergo metabolic alterations, and become resistant to apoptosis. This is accompanied by complex cellular changes that enable the development of a senescence-associated secretory phenotype (SASP). Mitochondria, organelles involved in energy provision and activities essential for regulating cell survival and death, are negatively impacted by aging. The age-associated decline in mitochondrial function is also accompanied by the development of chronic low-grade sterile inflammation. The latter shares some features and mediators with the SASP. Indeed, the unloading of damage-associated molecular patterns (DAMPs) at the extracellular level can trigger sterile inflammatory responses and mitochondria can contribute to the generation of DAMPs with pro-inflammatory properties. The extrusion of mitochondrial DNA (mtDNA) via mitochondrial outer membrane permeabilization under an apoptotic stress triggers senescence programs. Additional pathways can contribute to sterile inflammation. For instance, pyroptosis is a caspase-dependent inducer of systemic inflammation, which is also elicited by mtDNA release and contributes to aging. Herein, we overview the molecular mechanisms that may link mitochondrial dyshomeostasis, pyroptosis, sterile inflammation, and senescence and discuss how these contribute to aging and could be exploited as molecular targets for alleviating the cell damage burden and achieving healthy longevity.
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Affiliation(s)
- Emanuele Marzetti
- Fondazione Policlinico Universitario "Agostino Gemelli" IRCCS, L.go A. Gemelli 8, 00168 Rome, Italy
- Department of Geriatrics, Orthopedics and Rheumatology, Università Cattolica del Sacro Cuore, L.go F. Vito 1, 00618 Rome, Italy
| | - Riccardo Calvani
- Fondazione Policlinico Universitario "Agostino Gemelli" IRCCS, L.go A. Gemelli 8, 00168 Rome, Italy
- Department of Geriatrics, Orthopedics and Rheumatology, Università Cattolica del Sacro Cuore, L.go F. Vito 1, 00618 Rome, Italy
| | - Francesco Landi
- Fondazione Policlinico Universitario "Agostino Gemelli" IRCCS, L.go A. Gemelli 8, 00168 Rome, Italy
- Department of Geriatrics, Orthopedics and Rheumatology, Università Cattolica del Sacro Cuore, L.go F. Vito 1, 00618 Rome, Italy
| | - Helio José Coelho-Júnior
- Fondazione Policlinico Universitario "Agostino Gemelli" IRCCS, L.go A. Gemelli 8, 00168 Rome, Italy
| | - Anna Picca
- Department of Geriatrics, Orthopedics and Rheumatology, Università Cattolica del Sacro Cuore, L.go F. Vito 1, 00618 Rome, Italy
- Department of Medicine and Surgery, LUM University, SS100 km 18, 70010 Casamassima, Italy
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Sugulle M, Fiskå BS, Jacobsen DP, Fjeldstad HE, Staff AC. Placental Senescence and the Two-Stage Model of Preeclampsia. Am J Reprod Immunol 2024; 92:e13904. [PMID: 39049670 DOI: 10.1111/aji.13904] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2024] [Revised: 06/07/2024] [Accepted: 07/03/2024] [Indexed: 07/27/2024] Open
Abstract
In this review, we summarize how an increasingly stressed and aging placenta contributes to the maternal clinical signs of preeclampsia, a potentially lethal pregnancy complication. The pathophysiology of preeclampsia has been conceptualized in the two-stage model. Originally, highlighting the importance of poor placentation for early-onset preeclampsia, the revised two-stage model explains late-onset preeclampsia as well, which is often preceded by normal placentation. We discuss how cellular senescence in the placenta may fit with the framework of the revised two-stage model of preeclampsia pathophysiology and summarize potential cellular and molecular mechanisms, including effects on placental and maternal endothelial function. Cellular senescence may occur in response to inflammatory processes and oxidative, mitochondrial, or endoplasmic reticulum stress and chronic stress induce accelerated, premature placental senescence. In preeclampsia, both circulating and tissue-based senescence markers are present. We suggest that aspirin prophylaxis, commonly recommended from the first trimester onward for women at risk of preeclampsia, may affect placentation and possibly mechanisms of placental senescence, thus attenuating the risk of preeclampsia developing clinically. We propose that biomarkers of placental dysfunction and senescence may contribute to altered preventive strategies, including discontinuation of aspirin at week 24-28 depending on placenta-associated biomarker risk stratification.
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Affiliation(s)
- Meryam Sugulle
- Faculty of Medicine, University of Oslo, Oslo, Norway
- Division of Obstetrics and Gynaecology, Oslo University Hospital, Oslo, Norway
| | - Bendik S Fiskå
- Faculty of Medicine, University of Oslo, Oslo, Norway
- Division of Obstetrics and Gynaecology, Oslo University Hospital, Oslo, Norway
| | - Daniel Pitz Jacobsen
- Faculty of Medicine, University of Oslo, Oslo, Norway
- Division of Obstetrics and Gynaecology, Oslo University Hospital, Oslo, Norway
| | - Heidi Elisabeth Fjeldstad
- Faculty of Medicine, University of Oslo, Oslo, Norway
- Division of Obstetrics and Gynaecology, Oslo University Hospital, Oslo, Norway
| | - Anne Cathrine Staff
- Faculty of Medicine, University of Oslo, Oslo, Norway
- Division of Obstetrics and Gynaecology, Oslo University Hospital, Oslo, Norway
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Li D, Yu Q, Wu R, Tuo Z, Wang J, Ye L, Shao F, Chaipanichkul P, Yoo KH, Wei W, Okoli UA, Deng S, Ke M, Cho WC, Heavey S, Feng D. Interactions between oxidative stress and senescence in cancer: Mechanisms, therapeutic implications, and future perspectives. Redox Biol 2024; 73:103208. [PMID: 38851002 PMCID: PMC11201350 DOI: 10.1016/j.redox.2024.103208] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2024] [Revised: 05/04/2024] [Accepted: 05/23/2024] [Indexed: 06/10/2024] Open
Abstract
BACKGROUND Recently, numerous studies have reported the interaction between senescence and oxidative stress in cancer. However, there is a lack of a comprehensive understanding of the precise mechanisms involved. AIM Therefore, our review aims to summarize the current findings and elucidate by presenting specific mechanisms that encompass functional pathways, target genes, and related aspects. METHODS Pubmed and Web of Science databases were retrieved to search studies about the interaction between senescence and oxidative stress in cancer. Relevant publications in the reference list of enrolled studies were also checked. RESULTS In carcinogenesis, oxidative stress-induced cellular senescence acts as a barrier against the transformation of stimulated cells into cancer cells. However, the senescence-associated secretory phenotype (SASP) is positively linked to tumorigenesis. In the cancer progression stage, targeting specific genes or pathways that promote oxidative stress-induced cellular senescence can suppress cancer progression. In terms of treatment, many current clinical therapies combine with novel drugs to overcome resistance and reduce side effects by attenuating oxidative stress-induced senescence. Notably, emerging drugs control cancer development by enhancing oxidative stress-induced senescence. These studies highlight the complacted effects of the interplay between oxidative stress and senescence at different cancer stages and among distinct cell populations. Future research should focus on characterizing the roles of distinct senescent cell types in various tumor stages and identifying the specific components of SASP. CONCLUDSION We've summarized the mechanisms of senescence and oxidative stress in cancer and provided illustrative figures to guide future research in this area.
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Affiliation(s)
- Dengxiong Li
- Department of Urology, Institute of Urology, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Qingxin Yu
- Department of Pathology, Ningbo Clinical Pathology Diagnosis Center, Ningbo City, Zhejiang Province, 315211, China
| | - Ruicheng Wu
- Department of Urology, Institute of Urology, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Zhouting Tuo
- Department of Urology, The Second Affiliated Hospital of Anhui Medical University, Hefei, 230601, China
| | - Jie Wang
- Department of Urology, Institute of Urology, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Luxia Ye
- Department of Public Research Platform, Taizhou Hospital of Zhejiang Province Affiliated to Wenzhou Medical University, Linhai, China
| | - Fanglin Shao
- Department of Rehabilitation, The Affiliated Hospital of Southwest Medical University, Luzhou, 646000, China
| | | | - Koo Han Yoo
- Department of Urology, Kyung Hee University, South Korea
| | - Wuran Wei
- Department of Urology, Institute of Urology, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Uzoamaka Adaobi Okoli
- Division of Surgery & Interventional Science, University College London, London, UK; Basic and Translational Cancer Research Group, Department of Pharmacology and Therapeutics, College of Medicine, University of Nigeria, Nsukka, Enugu State, Nigeria
| | - Shi Deng
- Department of Urology, Institute of Urology, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Mang Ke
- Department of Urology, Taizhou Hospital of Zhejiang Province Affiliated to Wenzhou Medical University, Taizhou, China.
| | - William C Cho
- Department of Clinical Oncology, Queen Elizabeth Hospital, Hong Kong SAR, China.
| | - Susan Heavey
- Division of Surgery & Interventional Science, University College London, London, UK.
| | - Dechao Feng
- Department of Urology, Institute of Urology, West China Hospital, Sichuan University, Chengdu, 610041, China; Division of Surgery & Interventional Science, University College London, London, UK; Department of Urology, Taizhou Hospital of Zhejiang Province Affiliated to Wenzhou Medical University, Taizhou, China.
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Darvish S, Mahoney SA, Venkatasubramanian R, Rossman MJ, Clayton ZS, Murray KO. Socioeconomic status as a potential mediator of arterial aging in marginalized ethnic and racial groups: current understandings and future directions. J Appl Physiol (1985) 2024; 137:194-222. [PMID: 38813611 PMCID: PMC11389897 DOI: 10.1152/japplphysiol.00188.2024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2024] [Revised: 05/28/2024] [Accepted: 05/28/2024] [Indexed: 05/31/2024] Open
Abstract
Cardiovascular diseases (CVDs) are the leading cause of death in the United States. However, disparities in CVD-related morbidity and mortality exist as marginalized racial and ethnic groups are generally at higher risk for CVDs (Black Americans, Indigenous People, South and Southeast Asians, Native Hawaiians, and Pacific Islanders) and/or development of traditional CVD risk factors (groups above plus Hispanics/Latinos) relative to non-Hispanic Whites (NHW). In this comprehensive review, we outline emerging evidence suggesting these groups experience accelerated arterial dysfunction, including vascular endothelial dysfunction and large elastic artery stiffening, a nontraditional CVD risk factor that may predict risk of CVDs in these groups with advancing age. Adverse exposures to social determinants of health (SDOH), specifically lower socioeconomic status (SES), are exacerbated in most of these groups (except South Asians-higher SES) and may be a potential mediator of accelerated arterial aging. SES negatively influences the ability of marginalized racial and ethnic groups to meet aerobic exercise guidelines, the first-line strategy to improve arterial function, due to increased barriers, such as time and financial constraints, lack of motivation, facility access, and health education, to performing conventional aerobic exercise. Thus, identifying alternative interventions to conventional aerobic exercise that 1) overcome these common barriers and 2) target the biological mechanisms of aging to improve arterial function may be an effective, alternative method to aerobic exercise to ameliorate accelerated arterial aging and reduce CVD risk. Importantly, dedicated efforts are needed to assess these strategies in randomized-controlled clinical trials in these marginalized racial and ethnic groups.
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Affiliation(s)
- Sanna Darvish
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, Colorado, United States
| | - Sophia A Mahoney
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, Colorado, United States
| | | | - Matthew J Rossman
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, Colorado, United States
| | - Zachary S Clayton
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, Colorado, United States
| | - Kevin O Murray
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, Colorado, United States
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Donati M, Kazakov DV. Beyond typical histology of BAP1-inactivated melanocytoma. Pathol Res Pract 2024; 259:155162. [PMID: 38326181 DOI: 10.1016/j.prp.2024.155162] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/12/2023] [Revised: 01/05/2024] [Accepted: 01/20/2024] [Indexed: 02/09/2024]
Abstract
BAP1-inactivated melanocytoma (BIM) is a novel subgroup of melanocytic neoplasm listed in the 5th edition of WHO classification of skin tumor. BIM is characterized by two molecular alterations, including a mitogenic driver mutation (usually BRAF gene) and the loss of function of BAP1, a tumor suppressor gene located on chromosome 3p21, which encodes for BRCA1-associated protein (BAP1). The latter represents a nuclear-localized deubiquitinase involved in several cellular processes including cell cycle regulation, chromatin remodeling, DNA damage response, differentiation, senescence and cell death. BIMs are histologically characterized by a population of large epithelioid melanocytes with well-demarcated cytoplasmic borders and copious eosinophilic cytoplasm, demonstrating loss of BAP1 nuclear expression by immunohistochemistry. Recently, we have published a series of 50 cases, extending the morphological spectrum of the neoplasm and highlighting some new microscopic features. In the current article, we focus on some new histological features, attempting to explain and link them to certain mechanisms of tumor development, including senescence, endoreplication, endocycling, asymmetric cytokinesis, entosis and others. In light of the morphological and molecular findings observed in BIM, we postulated that this entity unmasks a fine mechanism of tumor in which both clonal/stochastic and hierarchical model can be unified.
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Affiliation(s)
- Michele Donati
- Department of Pathology, Fondazione Policlinico Universitario Campus Bio-Medico, Rome, Italy; Department of Pathology, Università Campus Bio-Medico di Roma, Via Alvaro del Portillo, 21 - 00128 Roma, Italy.
| | - Dmitry V Kazakov
- IDP Dermatohistopathologie Institut, Pathologie Institut Enge, Zurich, Switzerland
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Lee PY, Sitorus MA, Kuo CH, Tsai BCK, Kuo WW, Lin KH, Lu SY, Lin YM, Ho TJ, Huang CY. Platycodi radix aqueous extract salvages doxorubicin-induced senescence by mitochondrial reactive oxygen species reduction in umbilical cord matrix stem cells. ENVIRONMENTAL TOXICOLOGY 2024; 39:3872-3882. [PMID: 38558324 DOI: 10.1002/tox.24240] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/13/2023] [Revised: 12/18/2023] [Accepted: 03/14/2024] [Indexed: 04/04/2024]
Abstract
Platycodi radix is a widely used herbal medicine that contains numerous phytochemicals beneficial to health. The health and biological benefits of P. radix have been found across various diseases. The utilization of umbilical cord stromal stem cells, derived from Wharton's jelly of the human umbilical cord, has emerged as a promising approach for treating degenerative diseases. Nevertheless, growing evidence indicates that the function of stem cells declines with age, thereby limiting their regenerative capacity. The primary objective in this study is to investigate the beneficial effects of P. radix in senescent stem cells. We conducted experiments to showcase that diminished levels of Lamin B1 and Sox-2, along with an elevation in p21, which serve as indicative markers for the senescent stem cells. Our findings revealed the loss of Lamin B1 and Sox-2, coupled with an increase in p21, in umbilical cord stromal stem cells subjected to a low-dose (0.1 μM) doxorubicin (Dox) stimulation. However, P. radix restored the Dox-damage in the umbilical cord stromal stem cells. P. radix reversed the senescent conditions when the umbilical cord stromal stem cells exposed to Dox-induced reactive oxygen species (ROS) and mitochondrial membrane potential are significantly changed. In Dox-challenged aged umbilical cord stromal stem cells, P. radix reduced senescence, increased longevity, prevented mitochondrial dysfunction and ROS and protected against senescence-associated apoptosis. This study suggests that P. radix might be as a therapeutic and rescue agent for the aging effect in stem cells. Inhibition of cell death, mitochondrial dysfunction and aging-associated ROS with P. radix provides additional insights into the underlying molecular mechanisms.
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Affiliation(s)
- Pei-Ying Lee
- Holistic Education Center, Tzu Chi University of Science and Technology, Hualien, Taiwan
| | - Maria Angelina Sitorus
- Cardiovascular and Mitochondrial Related Disease Research Center, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien, Taiwan
| | - Chia-Hua Kuo
- Department of Sports Sciences, University of Taipei, Taipei, Taiwan
- Laboratory of Exercise Biochemistry, University of Taipei, Taipei, Taiwan
- School of Physical Education and Sports Science, Soochow University, Suzhou, China
- Department of Kinesiology and Health, College of William and Mary, Williamsburg, Virginia, USA
| | - Bruce Chi-Kang Tsai
- Cardiovascular and Mitochondrial Related Disease Research Center, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien, Taiwan
| | - Wei-Wen Kuo
- Department of Biological Science and Technology, China Medical University, Taichung, Taiwan
- Ph.D. Program for Biotechnology Industry, China Medical University, Taichung, Taiwan
- School of Pharmacy, China Medical University, Taichung, Taiwan
| | - Kuan-Ho Lin
- Division of Cardiovascular Medicine, Department of Internal Medicine, China Medical University Hospital, Taichung, Taiwan
- Department of Emergency Medicine, China Medical University Hospital, Taichung, Taiwan
- School of Medicine, College of Medicine, China Medical University, Taichung, Taiwan
| | - Shang-Yeh Lu
- Division of Cardiovascular Medicine, Department of Internal Medicine, China Medical University Hospital, Taichung, Taiwan
- School of Medicine, College of Medicine, China Medical University, Taichung, Taiwan
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung, Taiwan
| | - Yueh-Min Lin
- Department of Pathology, Changhua Christian Hospital, Changhua, Taiwan
- Department of Medical Technology, Jen-Teh Junior College of Medicine, Nursing and Management, Miaoli, Taiwan
| | - Tsung-Jung Ho
- Department of Chinese Medicine, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien, Taiwan
- Integration Center of Traditional Chinese and Modern Medicine, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien, Taiwan
- School of Post-Baccalaureate Chinese Medicine, College of Medicine, Tzu Chi University, Buddhist Tzu Chi Medical Foundation, Hualien, Taiwan
| | - Chih-Yang Huang
- Cardiovascular and Mitochondrial Related Disease Research Center, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien, Taiwan
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung, Taiwan
- Department of Medical Research, China Medical University Hospital, China Medical University, Taichung, Taiwan
- Department of Medical Laboratory Science and Biotechnology, Asia University, Taichung, Taiwan
- Center of General Education, Buddhist Tzu Chi Medical Foundation, Tzu Chi University of Science and Technology, Hualien, Taiwan
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44
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Imawari Y, Nakanishi M. Senescence and senolysis in cancer: The latest findings. Cancer Sci 2024; 115:2107-2116. [PMID: 38641866 PMCID: PMC11247613 DOI: 10.1111/cas.16184] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Revised: 03/21/2024] [Accepted: 04/01/2024] [Indexed: 04/21/2024] Open
Abstract
Aging is a life phenomenon that occurs in most living organisms and is a major risk factor for many diseases, including cancer. Cellular senescence is a cellular trait induced by various genomic and epigenetic stresses. Senescent cells are characterized by irreversible cell growth arrest and excessive secretion of inflammatory cytokines (senescence-associated secretory phenotypes, SASP). Chronic tissue microinflammation induced by SASP contributes to the pathogenesis of a variety of age-related diseases, including cancer. Senolysis is a promising new strategy to selectively eliminate senescent cells in order to suppress chronic inflammation, suggesting its potential use as an anticancer therapy. This review summarizes recent findings on the molecular basis of senescence in cancer cells and senolysis.
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Affiliation(s)
- Yoshimi Imawari
- Division of Cancer Cell Biology, Institute of Medical ScienceUniversity of TokyoTokyoJapan
- Department of SurgeryJikei University School of MedicineTokyoJapan
| | - Makoto Nakanishi
- Division of Cancer Cell Biology, Institute of Medical ScienceUniversity of TokyoTokyoJapan
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Zumerle S, Sarill M, Saponaro M, Colucci M, Contu L, Lazzarini E, Sartori R, Pezzini C, Rinaldi A, Scanu A, Sgrignani J, Locatelli P, Sabbadin M, Valdata A, Brina D, Giacomini I, Rizzo B, Pierantoni A, Sharifi S, Bressan S, Altomare C, Goshovska Y, Giraudo C, Luisetto R, Iaccarino L, Torcasio C, Mosole S, Pasquini E, Rinaldi A, Pellegrini L, Peron G, Fassan M, Masiero S, Giori AM, Dall'Acqua S, Auwerx J, Cippà P, Cavalli A, Bolis M, Sandri M, Barile L, Montopoli M, Alimonti A. Targeting senescence induced by age or chemotherapy with a polyphenol-rich natural extract improves longevity and healthspan in mice. NATURE AGING 2024:10.1038/s43587-024-00663-7. [PMID: 38951692 DOI: 10.1038/s43587-024-00663-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/11/2023] [Accepted: 05/31/2024] [Indexed: 07/03/2024]
Abstract
Accumulating senescent cells within tissues contribute to the progression of aging and age-related diseases. Botanical extracts, rich in phytoconstituents, present a useful resource for discovering therapies that could target senescence and thus improve healthspan. Here, we show that daily oral administration of a standardized extract of Salvia haenkei (Haenkenium (HK)) extended lifespan and healthspan of naturally aged mice. HK treatment inhibited age-induced inflammation, fibrosis and senescence markers across several tissues, as well as increased muscle strength and fur thickness compared with age-matched controls. We also found that HK treatment reduced acutely induced senescence by the chemotherapeutic agent doxorubicin, using p16LUC reporter mice. We profiled the constituent components of HK by mass spectrometry, and identified luteolin-the most concentrated flavonoid in HK-as a senomorphic compound. Mechanistically, by performing surface plasmon resonance and in situ proximity ligation assay, we found that luteolin disrupted the p16-CDK6 interaction. This work demonstrates that administration of HK promotes longevity in mice, possibly by modulating cellular senescence and by disrupting the p16-CDK6 interaction.
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Affiliation(s)
- Sara Zumerle
- Veneto Institute of Molecular Medicine, Padova, Italy
- Department of Medicine, University of Padova, Padova, Italy
| | - Miles Sarill
- Veneto Institute of Molecular Medicine, Padova, Italy
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, Padova, Italy
| | - Miriam Saponaro
- Veneto Institute of Molecular Medicine, Padova, Italy
- Department of Medicine, University of Padova, Padova, Italy
- Department of Urology and Pediatric Urology, University Medical Center Bonn (UKB), Bonn, Germany
| | - Manuel Colucci
- Institute of Oncology Research (IOR), Bellinzona, Switzerland
- Università della Svizzera italiana, Lugano, Switzerland
- Faculty of Biology and Medicine, University of Lausanne UNIL, Lausanne, Switzerland
| | - Liliana Contu
- Veneto Institute of Molecular Medicine, Padova, Italy
- Department of Medicine, University of Padova, Padova, Italy
| | - Edoardo Lazzarini
- Cardiovascular Theranostics, Istituto Cardiocentro Ticino, Laboratories for Translational Research, Ente Ospedaliero Cantonale, Bellinzona, Switzerland
- Faculty of Biomedical Sciences, Euler Institute, Università della Svizzera Italiana, Lugano, Switzerland
| | - Roberta Sartori
- Veneto Institute of Molecular Medicine, Padova, Italy
- Department of Biomedical Sciences, University of Padova, Padova, Italy
| | - Camilla Pezzini
- Veneto Institute of Molecular Medicine, Padova, Italy
- Department of Biomedical Sciences, University of Padova, Padova, Italy
| | - Anna Rinaldi
- Department of Medicine, Division of Nephrology, Ente Ospedaliero Cantonale, Lugano, Switzerland
- Laboratories for Translational Research, Ente Ospedaliero Cantonale, Bellinzona, Switzerland
| | - Anna Scanu
- Department of Neuroscience, Rehabilitation Unit, University of Padova, Padova, Italy
| | - Jacopo Sgrignani
- Institute for Research in Biomedicine, Università della Svizzera italiana, Bellinzona, Switzerland
| | - Patrizia Locatelli
- Institute for Research in Biomedicine, Università della Svizzera italiana, Bellinzona, Switzerland
| | - Marianna Sabbadin
- Veneto Institute of Molecular Medicine, Padova, Italy
- Department of Medicine, University of Padova, Padova, Italy
- Veneto Institute of Oncology IOV - IRCCS, Padova, Italy
| | - Aurora Valdata
- Institute of Oncology Research (IOR), Bellinzona, Switzerland
- Università della Svizzera italiana, Lugano, Switzerland
- Department of Health Sciences and Technology (D-HEST), ETH Zurich, Zurich, Switzerland
| | - Daniela Brina
- Institute of Oncology Research (IOR), Bellinzona, Switzerland
- Università della Svizzera italiana, Lugano, Switzerland
| | - Isabella Giacomini
- Veneto Institute of Molecular Medicine, Padova, Italy
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, Padova, Italy
| | - Beatrice Rizzo
- Veneto Institute of Molecular Medicine, Padova, Italy
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, Padova, Italy
- Veneto Institute of Oncology IOV - IRCCS, Padova, Italy
| | - Alessandra Pierantoni
- Veneto Institute of Molecular Medicine, Padova, Italy
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, Padova, Italy
- Institute for Research on Cancer and Aging, Nice, France
| | - Saman Sharifi
- Veneto Institute of Molecular Medicine, Padova, Italy
- Department of Medicine, University of Padova, Padova, Italy
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, Padova, Italy
| | - Silvia Bressan
- Veneto Institute of Molecular Medicine, Padova, Italy
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, Padova, Italy
- Institute of Oncology Research (IOR), Bellinzona, Switzerland
- Università della Svizzera italiana, Lugano, Switzerland
| | - Claudia Altomare
- Cardiovascular Theranostics, Istituto Cardiocentro Ticino, Laboratories for Translational Research, Ente Ospedaliero Cantonale, Bellinzona, Switzerland
- Faculty of Biomedical Sciences, Euler Institute, Università della Svizzera Italiana, Lugano, Switzerland
| | - Yulia Goshovska
- Cardiovascular Theranostics, Istituto Cardiocentro Ticino, Laboratories for Translational Research, Ente Ospedaliero Cantonale, Bellinzona, Switzerland
- Faculty of Biomedical Sciences, Euler Institute, Università della Svizzera Italiana, Lugano, Switzerland
| | - Chiara Giraudo
- Department of Medicine, University of Padova, Padova, Italy
- Department of Cardiac, Thoracic, Vascular Sciences and Public Health - DCTV, University of Padova, Padova, Italy
| | - Roberto Luisetto
- Department of Surgery, Oncology and Gastroenterology, University of Padova, Padova, Italy
| | - Luca Iaccarino
- Department of Medicine, University of Padova, Padova, Italy
| | - Cristina Torcasio
- Department of Medicine, Division of Nephrology, Ente Ospedaliero Cantonale, Lugano, Switzerland
- Laboratories for Translational Research, Ente Ospedaliero Cantonale, Bellinzona, Switzerland
| | - Simone Mosole
- Institute of Oncology Research (IOR), Bellinzona, Switzerland
- Università della Svizzera italiana, Lugano, Switzerland
| | - Emiliano Pasquini
- Institute of Oncology Research (IOR), Bellinzona, Switzerland
- Università della Svizzera italiana, Lugano, Switzerland
| | - Andrea Rinaldi
- Institute of Oncology Research (IOR), Bellinzona, Switzerland
- Università della Svizzera italiana, Lugano, Switzerland
| | - Laura Pellegrini
- Institute of Oncology Research (IOR), Bellinzona, Switzerland
- Università della Svizzera italiana, Lugano, Switzerland
| | - Gregorio Peron
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, Padova, Italy
- Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy
| | - Matteo Fassan
- Department of Medicine, University of Padova, Padova, Italy
- Veneto Institute of Oncology IOV - IRCCS, Padova, Italy
| | - Stefano Masiero
- Department of Neuroscience, Rehabilitation Unit, University of Padova, Padova, Italy
| | | | - Stefano Dall'Acqua
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, Padova, Italy
| | - Johan Auwerx
- Laboratory of Integrative Systems Physiology, Institute of Bioengineering, École Polytechnique Fédérale de Lausanne, Lausanne, Switzerland
| | - Pietro Cippà
- Università della Svizzera italiana, Lugano, Switzerland
- Department of Medicine, Division of Nephrology, Ente Ospedaliero Cantonale, Lugano, Switzerland
- Laboratories for Translational Research, Ente Ospedaliero Cantonale, Bellinzona, Switzerland
| | - Andrea Cavalli
- Università della Svizzera italiana, Lugano, Switzerland
- Institute for Research in Biomedicine, Università della Svizzera italiana, Bellinzona, Switzerland
| | - Marco Bolis
- Institute of Oncology Research (IOR), Bellinzona, Switzerland
- Università della Svizzera italiana, Lugano, Switzerland
| | - Marco Sandri
- Veneto Institute of Molecular Medicine, Padova, Italy
- Department of Biomedical Sciences, University of Padova, Padova, Italy
| | - Lucio Barile
- Cardiovascular Theranostics, Istituto Cardiocentro Ticino, Laboratories for Translational Research, Ente Ospedaliero Cantonale, Bellinzona, Switzerland
- Faculty of Biomedical Sciences, Euler Institute, Università della Svizzera Italiana, Lugano, Switzerland
| | - Monica Montopoli
- Veneto Institute of Molecular Medicine, Padova, Italy.
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, Padova, Italy.
| | - Andrea Alimonti
- Veneto Institute of Molecular Medicine, Padova, Italy.
- Department of Medicine, University of Padova, Padova, Italy.
- Institute of Oncology Research (IOR), Bellinzona, Switzerland.
- Università della Svizzera italiana, Lugano, Switzerland.
- Department of Health Sciences and Technology (D-HEST), ETH Zurich, Zurich, Switzerland.
- Oncology Institute of Southern Switzerland, Ente Ospedaliero Cantonale, Bellinzona, Switzerland.
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46
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Torrance BL, Cadar AN, Panier HA, Martin DE, Lorenzo EC, Jellison ER, Bartley JM, Haynes L. Cellular senescence is a double-edged sword in regulating aged immune responses to influenza. Aging Cell 2024; 23:e14162. [PMID: 38689516 PMCID: PMC11258475 DOI: 10.1111/acel.14162] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2023] [Revised: 03/10/2024] [Accepted: 03/14/2024] [Indexed: 05/02/2024] Open
Abstract
Clearance of senescent cells has demonstrated therapeutic potential in the context of chronic age-related diseases. Little is known, however, how clearing senescent cells affects the ability to respond to an acute infection and form quality immunological memory. We aimed to probe the effects of clearing senescent cells in aged mice on the immune response to influenza (flu) infection. We utilized a p16 trimodality reporter mouse model (p16-3MR) to allow for identification and selective clearance of p16-expressing cells upon administration of ganciclovir (GCV). While p16-expressing cells may exacerbate dysfunctional responses to a primary infection, our data suggest they may play a role in fostering memory cell generation. We demonstrate that although clearance of p16-expressing cells enhanced viral clearance, this also severely limited antibody production in the lungs of flu-infected aged mice. 30 days later, there were fewer flu-specific CD8 memory T cells and lower levels of flu-specific antibodies in the lungs of GCV-treated mice. Furthermore, GCV-treated mice were unable to mount an optimal memory response and demonstrated increased viral load following heterosubtypic challenge. These results suggest that targeting senescent cells may potentiate primary responses while limiting the ability to form durable and protective immune memory with age.
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Affiliation(s)
- Blake L. Torrance
- UConn Center on AgingUniversity of Connecticut School of MedicineFarmingtonConnecticutUSA
- Department of ImmunologyUniversity of Connecticut School of MedicineFarmingtonConnecticutUSA
| | - Andreia N. Cadar
- UConn Center on AgingUniversity of Connecticut School of MedicineFarmingtonConnecticutUSA
- Department of ImmunologyUniversity of Connecticut School of MedicineFarmingtonConnecticutUSA
| | - Hunter A. Panier
- Department of MedicineUniversity of Connecticut School of MedicineFarmingtonConnecticutUSA
| | - Dominique E. Martin
- UConn Center on AgingUniversity of Connecticut School of MedicineFarmingtonConnecticutUSA
- Department of ImmunologyUniversity of Connecticut School of MedicineFarmingtonConnecticutUSA
| | - Erica C. Lorenzo
- UConn Center on AgingUniversity of Connecticut School of MedicineFarmingtonConnecticutUSA
| | - Evan R. Jellison
- Department of ImmunologyUniversity of Connecticut School of MedicineFarmingtonConnecticutUSA
| | - Jenna M. Bartley
- UConn Center on AgingUniversity of Connecticut School of MedicineFarmingtonConnecticutUSA
- Department of ImmunologyUniversity of Connecticut School of MedicineFarmingtonConnecticutUSA
| | - Laura Haynes
- UConn Center on AgingUniversity of Connecticut School of MedicineFarmingtonConnecticutUSA
- Department of ImmunologyUniversity of Connecticut School of MedicineFarmingtonConnecticutUSA
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47
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Melo-Narváez MC, Bramey N, See F, Heinzelmann K, Ballester B, Steinchen C, Jain E, Federl K, Hu Q, Dhakad D, Behr J, Eickelberg O, Yildirim AÖ, Königshoff M, Lehmann M. Stimuli-Specific Senescence of Primary Human Lung Fibroblasts Modulates Alveolar Stem Cell Function. Cells 2024; 13:1129. [PMID: 38994981 PMCID: PMC11240317 DOI: 10.3390/cells13131129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2024] [Revised: 06/23/2024] [Accepted: 06/25/2024] [Indexed: 07/13/2024] Open
Abstract
Aging is the main risk factor for chronic lung diseases (CLDs) including idiopathic pulmonary fibrosis (IPF) and chronic obstructive pulmonary disease (COPD). Accordingly, hallmarks of aging like cellular senescence are increased in these patients in different lung cell types including fibroblasts. However, little is known about the different triggers that induce a senescence phenotype in different disease backgrounds and its role in CLD pathogenesis. Therefore, we characterized senescence in primary human lung fibroblasts (phLF) from control, IPF, or COPD patients at baseline and after exposure to disease-relevant insults (H2O2, bleomycin, TGF-β1) and studied their capacity to support progenitor cell potential in a lung organoid model. Bulk-RNA sequencing revealed that phLF from IPF and COPD activate different transcriptional programs but share a similar senescence phenotype at baseline. Moreover, H2O2 and bleomycin but not TGF-β1 induced senescence in phLF from different disease origins. Exposure to different triggers resulted in distinct senescence programs in phLF characterized by different SASP profiles. Finally, co-culture with bleomycin- and H2O2-treated phLF reduced the progenitor cell potential of alveolar epithelial progenitor cells. In conclusion, phLF from COPD and IPF share a conserved senescence response that varies depending on the insult and impairs alveolar epithelial progenitor capacity ex vivo.
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Affiliation(s)
- Maria Camila Melo-Narváez
- Institute of Lung Health and Immunity (LHI), Helmholtz Munich, Comprehensive Pneumology Center (CPC-M), German Center for Lung Research (DZL), 81377 Munich, Germany; (M.C.M.-N.); (F.S.); (C.S.); (E.J.); (D.D.); (A.Ö.Y.)
- Institute for Lung Research, Philipps-University Marburg, German Center for Lung Research (DZL), 35043 Marburg, Germany
| | - Nora Bramey
- Institute of Lung Health and Immunity (LHI), Helmholtz Munich, Comprehensive Pneumology Center (CPC-M), German Center for Lung Research (DZL), 81377 Munich, Germany; (M.C.M.-N.); (F.S.); (C.S.); (E.J.); (D.D.); (A.Ö.Y.)
| | - Fenja See
- Institute of Lung Health and Immunity (LHI), Helmholtz Munich, Comprehensive Pneumology Center (CPC-M), German Center for Lung Research (DZL), 81377 Munich, Germany; (M.C.M.-N.); (F.S.); (C.S.); (E.J.); (D.D.); (A.Ö.Y.)
| | - Katharina Heinzelmann
- Institute of Lung Health and Immunity (LHI), Helmholtz Munich, Comprehensive Pneumology Center (CPC-M), German Center for Lung Research (DZL), 81377 Munich, Germany; (M.C.M.-N.); (F.S.); (C.S.); (E.J.); (D.D.); (A.Ö.Y.)
| | - Beatriz Ballester
- Institute of Lung Health and Immunity (LHI), Helmholtz Munich, Comprehensive Pneumology Center (CPC-M), German Center for Lung Research (DZL), 81377 Munich, Germany; (M.C.M.-N.); (F.S.); (C.S.); (E.J.); (D.D.); (A.Ö.Y.)
- Faculty of Health Sciences, Universidad Cardenal Herrera—CEU, CEU Universities, 46115 Valencia, Spain
| | - Carina Steinchen
- Institute of Lung Health and Immunity (LHI), Helmholtz Munich, Comprehensive Pneumology Center (CPC-M), German Center for Lung Research (DZL), 81377 Munich, Germany; (M.C.M.-N.); (F.S.); (C.S.); (E.J.); (D.D.); (A.Ö.Y.)
| | - Eshita Jain
- Institute of Lung Health and Immunity (LHI), Helmholtz Munich, Comprehensive Pneumology Center (CPC-M), German Center for Lung Research (DZL), 81377 Munich, Germany; (M.C.M.-N.); (F.S.); (C.S.); (E.J.); (D.D.); (A.Ö.Y.)
| | - Kathrin Federl
- Institute of Lung Health and Immunity (LHI), Helmholtz Munich, Comprehensive Pneumology Center (CPC-M), German Center for Lung Research (DZL), 81377 Munich, Germany; (M.C.M.-N.); (F.S.); (C.S.); (E.J.); (D.D.); (A.Ö.Y.)
| | - Qianjiang Hu
- Division of Pulmonary, Allergy & Critical Care, and Sleep Medicine, University of Pittsburgh Medical Center, Pittsburgh, PA 15213, USA; (Q.H.); (O.E.); (M.K.)
| | - Deepesh Dhakad
- Institute of Lung Health and Immunity (LHI), Helmholtz Munich, Comprehensive Pneumology Center (CPC-M), German Center for Lung Research (DZL), 81377 Munich, Germany; (M.C.M.-N.); (F.S.); (C.S.); (E.J.); (D.D.); (A.Ö.Y.)
| | - Jürgen Behr
- Department of Medicine V, University Hospital Munich, Medical Faculty of the LMU Munich, 81377 Munich, Germany;
| | - Oliver Eickelberg
- Division of Pulmonary, Allergy & Critical Care, and Sleep Medicine, University of Pittsburgh Medical Center, Pittsburgh, PA 15213, USA; (Q.H.); (O.E.); (M.K.)
| | - Ali Önder Yildirim
- Institute of Lung Health and Immunity (LHI), Helmholtz Munich, Comprehensive Pneumology Center (CPC-M), German Center for Lung Research (DZL), 81377 Munich, Germany; (M.C.M.-N.); (F.S.); (C.S.); (E.J.); (D.D.); (A.Ö.Y.)
- Institute of Experimental Pneumology, University Hospital Munich, Ludwig-Maximilians University, 81377 Munich, Germany
| | - Melanie Königshoff
- Division of Pulmonary, Allergy & Critical Care, and Sleep Medicine, University of Pittsburgh Medical Center, Pittsburgh, PA 15213, USA; (Q.H.); (O.E.); (M.K.)
| | - Mareike Lehmann
- Institute of Lung Health and Immunity (LHI), Helmholtz Munich, Comprehensive Pneumology Center (CPC-M), German Center for Lung Research (DZL), 81377 Munich, Germany; (M.C.M.-N.); (F.S.); (C.S.); (E.J.); (D.D.); (A.Ö.Y.)
- Institute for Lung Research, Philipps-University Marburg, German Center for Lung Research (DZL), 35043 Marburg, Germany
- Lung Aging and Regeneration, Institute for Lung Health (ILH), 35392 Giessen, Germany
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48
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Easter M, Hirsch MJ, Harris E, Howze PH, Matthews EL, Jones LI, Bollenbecker S, Vang S, Tyrrell DJ, Sanders YY, Birket SE, Barnes JW, Krick S. FGF receptors mediate cellular senescence in the cystic fibrosis airway epithelium. JCI Insight 2024; 9:e174888. [PMID: 38916962 PMCID: PMC11383597 DOI: 10.1172/jci.insight.174888] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Accepted: 06/20/2024] [Indexed: 06/27/2024] Open
Abstract
The number of adults living with cystic fibrosis (CF) has already increased significantly because of drastic improvements in life expectancy attributable to advances in treatment, including the development of highly effective modulator therapy. Chronic airway inflammation in CF contributes to morbidity and mortality, and aging processes like inflammaging and cell senescence influence CF pathology. Our results show that single-cell RNA sequencing data, human primary bronchial epithelial cells from non-CF and CF donors, a CF bronchial epithelial cell line, and Cftr-knockout (Cftr-/-) rats all demonstrated increased cell senescence markers in the CF bronchial epithelium. This was associated with upregulation of fibroblast growth factor receptors (FGFRs) and mitogen-activated protein kinase (MAPK) p38. Inhibition of FGFRs, specifically FGFR4 and to some extent FGFR1, attenuated cell senescence and improved mucociliary clearance, which was associated with MAPK p38 signaling. Mucociliary dysfunction could also be improved using a combination of senolytics in a CF ex vivo model. In summary, FGFR/MAPK p38 signaling contributes to cell senescence in CF airways, which is associated with impaired mucociliary clearance. Therefore, attenuation of cell senescence in the CF airways might be a future therapeutic strategy improving mucociliary dysfunction and lung disease in an aging population with CF.
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Affiliation(s)
- Molly Easter
- Division of Pulmonary, Allergy and Critical Care Medicine, Department of Medicine
| | - Meghan June Hirsch
- Division of Pulmonary, Allergy and Critical Care Medicine, Department of Medicine
| | - Elex Harris
- Division of Pulmonary, Allergy and Critical Care Medicine, Department of Medicine
- Gregory Fleming James Cystic Fibrosis Research Center, and
| | - Patrick Henry Howze
- Division of Pulmonary, Allergy and Critical Care Medicine, Department of Medicine
| | - Emma Lea Matthews
- Division of Pulmonary, Allergy and Critical Care Medicine, Department of Medicine
| | - Luke I Jones
- Division of Pulmonary, Allergy and Critical Care Medicine, Department of Medicine
| | - Seth Bollenbecker
- Division of Pulmonary, Allergy and Critical Care Medicine, Department of Medicine
| | - Shia Vang
- Division of Pulmonary, Allergy and Critical Care Medicine, Department of Medicine
| | - Daniel J Tyrrell
- Division of Molecular and Cellular Pathology, Department of Pathology, The University of Alabama at Birmingham (UAB), Birmingham, Alabama, USA
| | - Yan Y Sanders
- Eastern Virginia Medical School, Norfolk, Virginia, USA
| | - Susan E Birket
- Division of Pulmonary, Allergy and Critical Care Medicine, Department of Medicine
- Gregory Fleming James Cystic Fibrosis Research Center, and
| | - Jarrod W Barnes
- Division of Pulmonary, Allergy and Critical Care Medicine, Department of Medicine
| | - Stefanie Krick
- Division of Pulmonary, Allergy and Critical Care Medicine, Department of Medicine
- Gregory Fleming James Cystic Fibrosis Research Center, and
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49
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Zeinoun B, Teixeira MT, Barascu A. Hog1 acts in a Mec1-independent manner to counteract oxidative stress following telomerase inactivation in Saccharomyces cerevisiae. Commun Biol 2024; 7:761. [PMID: 38909140 PMCID: PMC11193714 DOI: 10.1038/s42003-024-06464-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Accepted: 06/18/2024] [Indexed: 06/24/2024] Open
Abstract
Replicative senescence is triggered when telomeres reach critically short length and activate permanent DNA damage checkpoint-dependent cell cycle arrest. Mitochondrial dysfunction and increase in oxidative stress are both features of replicative senescence in mammalian cells. However, how reactive oxygen species levels are controlled during senescence is elusive. Here, we show that reactive oxygen species levels increase in the telomerase-negative cells of Saccharomyces cerevisiae during replicative senescence, and that this coincides with the activation of Hog1, a mammalian p38 MAPK ortholog. Hog1 counteracts increased ROS levels during replicative senescence. While Hog1 deletion accelerates replicative senescence, we found this could stem from a reduced cell viability prior to telomerase inactivation. ROS levels also increase upon telomerase inactivation when Mec1, the yeast ortholog of ATR, is mutated, suggesting that oxidative stress is not simply a consequence of DNA damage checkpoint activation in budding yeast. We speculate that oxidative stress is a conserved hallmark of telomerase-negative eukaryote cells, and that its sources and consequences can be dissected in S. cerevisiae.
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Affiliation(s)
- Bechara Zeinoun
- Sorbonne Université, PSL, CNRS, UMR8226, Institut de Biologie Physico-Chimique, Laboratoire de Biologie Moléculaire et Cellulaire des Eucaryotes, F-75005, Paris, France
| | - Maria Teresa Teixeira
- Sorbonne Université, PSL, CNRS, UMR8226, Institut de Biologie Physico-Chimique, Laboratoire de Biologie Moléculaire et Cellulaire des Eucaryotes, F-75005, Paris, France.
| | - Aurélia Barascu
- Sorbonne Université, PSL, CNRS, UMR8226, Institut de Biologie Physico-Chimique, Laboratoire de Biologie Moléculaire et Cellulaire des Eucaryotes, F-75005, Paris, France.
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50
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O'Reilly S, Tsou PS, Varga J. Senescence and tissue fibrosis: opportunities for therapeutic targeting. Trends Mol Med 2024:S1471-4914(24)00134-5. [PMID: 38890028 DOI: 10.1016/j.molmed.2024.05.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2024] [Revised: 05/20/2024] [Accepted: 05/22/2024] [Indexed: 06/20/2024]
Abstract
Cellular senescence is a key hallmark of aging. It has now emerged as a key mediator in normal tissue turnover and is associated with a variety of age-related diseases, including organ-specific fibrosis and systemic sclerosis (SSc). This review discusses the recent evidence of the role of senescence in tissue fibrosis, with an emphasis on SSc, a systemic autoimmune rheumatic disease. We discuss the physiological role of these cells, their role in fibrosis, and that targeting these cells specifically could be a new therapeutic avenue in fibrotic disease. We argue that targeting senescent cells, with senolytics or senomorphs, is a viable therapeutic target in fibrotic diseases which remain largely intractable.
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Affiliation(s)
- Steven O'Reilly
- Bioscience Department, Durham University, South Road, Durham, UK.
| | - Pei-Suen Tsou
- Division of Rheumatology, Department of Internal Medicine, University of Michigan, Ann Arbor, MI, USA
| | - John Varga
- Division of Rheumatology, Department of Internal Medicine, University of Michigan, Ann Arbor, MI, USA
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